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Vulnerability from cleanstart
Published
2026-06-08 12:33
Modified
2026-06-05 11:01
Summary
Security fixes for CVE-2025-47911, CVE-2025-47912, CVE-2025-58183, CVE-2025-58185, CVE-2025-58186, CVE-2025-58187, CVE-2025-58188, CVE-2025-58189, CVE-2025-61723, CVE-2025-61724, CVE-2025-61725, CVE-2025-61732, CVE-2026-27139, CVE-2026-27140, CVE-2026-27145, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2026-33810, CVE-2026-33811, CVE-2026-33814, CVE-2026-35469, CVE-2026-39820, CVE-2026-39823, CVE-2026-39825, CVE-2026-39826, CVE-2026-39836, CVE-2026-42499, CVE-2026-42504, CVE-2026-42507, ghsa-pc3f-x583-g7j2 applied in versions: 1.34.1-r0, 1.34.1-r2, 1.34.1-r3, 1.34.1-r4, 1.34.1-r5, 1.34.1-r6
Details
Multiple security vulnerabilities affect the kubernetes package. These issues are resolved in later releases. See references for individual vulnerability details.
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "kubernetes"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.34.1-r6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the kubernetes package. These issues are resolved in later releases. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-WW79343",
"modified": "2026-06-05T11:01:01Z",
"published": "2026-06-08T12:33:53.344110Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-WW79343.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-47911"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-47912"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-58183"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-58185"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-58186"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-58187"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-58188"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-58189"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-61723"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-61724"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-61725"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-61732"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-27139"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-27140"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-27145"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32280"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32281"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32282"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32283"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32288"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-32289"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33810"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33811"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-33814"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-35469"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39820"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39823"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39825"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39826"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-39836"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42499"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2026-42507"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/ghsa-pc3f-x583-g7j2"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47911"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47912"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58183"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58185"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58186"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58187"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58188"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58189"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61723"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61724"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61725"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61732"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27139"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27140"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27145"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32280"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32281"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32282"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32283"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32288"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32289"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33810"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33811"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33814"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35469"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39820"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39823"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39825"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39826"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39836"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42499"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42504"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42507"
}
],
"related": [],
"schema_version": "1.7.3",
"summary": "Security fixes for CVE-2025-47911, CVE-2025-47912, CVE-2025-58183, CVE-2025-58185, CVE-2025-58186, CVE-2025-58187, CVE-2025-58188, CVE-2025-58189, CVE-2025-61723, CVE-2025-61724, CVE-2025-61725, CVE-2025-61732, CVE-2026-27139, CVE-2026-27140, CVE-2026-27145, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2026-33810, CVE-2026-33811, CVE-2026-33814, CVE-2026-35469, CVE-2026-39820, CVE-2026-39823, CVE-2026-39825, CVE-2026-39826, CVE-2026-39836, CVE-2026-42499, CVE-2026-42504, CVE-2026-42507, ghsa-pc3f-x583-g7j2 applied in versions: 1.34.1-r0, 1.34.1-r2, 1.34.1-r3, 1.34.1-r4, 1.34.1-r5, 1.34.1-r6",
"upstream": [
"CVE-2025-47911",
"CVE-2025-47912",
"CVE-2025-58183",
"CVE-2025-58185",
"CVE-2025-58186",
"CVE-2025-58187",
"CVE-2025-58188",
"CVE-2025-58189",
"CVE-2025-61723",
"CVE-2025-61724",
"CVE-2025-61725",
"CVE-2025-61732",
"CVE-2026-27139",
"CVE-2026-27140",
"CVE-2026-27145",
"CVE-2026-32280",
"CVE-2026-32281",
"CVE-2026-32282",
"CVE-2026-32283",
"CVE-2026-32288",
"CVE-2026-32289",
"CVE-2026-33810",
"CVE-2026-33811",
"CVE-2026-33814",
"CVE-2026-35469",
"CVE-2026-39820",
"CVE-2026-39823",
"CVE-2026-39825",
"CVE-2026-39826",
"CVE-2026-39836",
"CVE-2026-42499",
"CVE-2026-42504",
"CVE-2026-42507",
"ghsa-pc3f-x583-g7j2"
]
}
CVE-2026-27140 (GCVE-0-2026-27140)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-06-30 03:16
VLAI?
EPSS
Title
Code execution vulnerability in SWIG code generation in cmd/go
Summary
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
Severity ?
8.8 (High)
CWE
- CWE-501 - Trust Boundary Violation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go toolchain | cmd/go |
Affected:
0 , < 1.25.9
(semver)
Affected: 1.26.0-0 , < 1.26.2 (semver) |
Credits
Juho Forsén of Mattermost
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CVE-2026-39820 (GCVE-0-2026-39820)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-07-03 12:05
VLAI?
EPSS
Title
Quadratic string concatentation in consumeComment in net/mail
Summary
Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/mail |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
Credits
thatnealpatel
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},
{
"lang": "en",
"value": "RHSA-2026:33574: Red Hat Developer Hub 1.9"
},
{
"lang": "en",
"value": "RHSA-2026:33120: Red Hat OpenShift Service Mesh 3.0"
},
{
"lang": "en",
"value": "RHSA-2026:33123: Red Hat OpenShift Service Mesh 3.1"
},
{
"lang": "en",
"value": "RHSA-2026:33142: Red Hat OpenShift Service Mesh 3.2"
},
{
"lang": "en",
"value": "RHSA-2026:33150: Red Hat OpenShift Service Mesh 3.3"
}
],
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"lang": "en",
"time": "2026-05-07T20:01:27.800Z",
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{
"lang": "en",
"time": "2026-05-07T19:41:19.854Z",
"value": "Made public."
}
],
"title": "net/mail: golang: Go net/mail: Denial of Service via crafted email inputs",
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"lang": "en",
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}
],
"cna": {
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{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "net/mail",
"product": "net/mail",
"programRoutines": [
{
"name": "addrParser.consumeComment"
},
{
"name": "AddressParser.Parse"
},
{
"name": "AddressParser.ParseList"
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{
"name": "Header.AddressList"
},
{
"name": "Header.Date"
},
{
"name": "ParseAddress"
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{
"name": "ParseAddressList"
},
{
"name": "ParseDate"
}
],
"vendor": "Go standard library",
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"title": "Quadratic string concatentation in consumeComment in net/mail"
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CVE-2026-39836 (GCVE-0-2026-39836)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-05-08 21:30
VLAI?
EPSS
Title
Panic in Dial and LookupPort when handling NUL byte on Windows in net
Summary
The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).
Severity ?
7.5 (High)
CWE
- CWE-248 - Uncaught Exception
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
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{
"name": "ListenConfig.ListenPacket"
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{
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CVE-2026-32289 (GCVE-0-2026-32289)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-04-13 18:20
VLAI?
EPSS
Title
JsBraceDepth Context Tracking Bugs (XSS) in html/template
Summary
Context was not properly tracked across template branches for JS template literals, leading to possibly incorrect escaping of content when branches were used. Additionally template actions within JS template literals did not properly track the brace depth, leading to incorrect escaping being applied. These issues could cause actions within JS template literals to be incorrectly or improperly escaped, leading to XSS vulnerabilities.
Severity ?
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | html/template |
Affected:
0 , < 1.25.9
(semver)
Affected: 1.26.0-0 , < 1.26.2 (semver) |
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CVE-2026-39826 (GCVE-0-2026-39826)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-05-08 14:05
VLAI?
EPSS
Title
Escaper bypass leads to XSS in html/template
Summary
If a trusted template author were to write a <script> tag containing an empty 'type' attribute or a 'type' attribute with an ASCII whitespace, the execution of the template would incorrectly escape any data passed into the <script> block.
Severity ?
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | html/template |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
Credits
Mundur (https://github.com/M0nd0R)
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CVE-2026-32280 (GCVE-0-2026-32280)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-07-03 12:05
VLAI?
EPSS
Title
Unexpected work during chain building in crypto/x509
Summary
During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.
Severity ?
7.5 (High)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
0 , < 1.25.9
(semver)
Affected: 1.26.0-0 , < 1.26.2 (semver) |
Credits
Jakub Ciolek - https://ciolek.dev
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"product": "Red Hat Ansible Automation Platform 2.6 for RHEL 10",
"vendor": "Red Hat"
},
{
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],
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"vendor": "Red Hat"
},
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CVE-2025-61723 (GCVE-0-2025-61723)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:14
VLAI?
EPSS
Title
Quadratic complexity when parsing some invalid inputs in encoding/pem
Summary
The processing time for parsing some invalid inputs scales non-linearly with respect to the size of the input. This affects programs which parse untrusted PEM inputs.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | encoding/pem |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
Jakub Ciolek
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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CVE-2026-33811 (GCVE-0-2026-33811)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-07-03 12:04
VLAI?
EPSS
Title
Crash when handling long CNAME response in net
Summary
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
Severity ?
7.5 (High)
CWE
- CWE-415 - Double Free
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
Credits
hamayanhamayan
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CVE-2025-58187 (GCVE-0-2025-58187)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-20 22:23
VLAI?
EPSS
Title
Quadratic complexity when checking name constraints in crypto/x509
Summary
Due to the design of the name constraint checking algorithm, the processing time of some inputs scale non-linearly with respect to the size of the certificate. This affects programs which validate arbitrary certificate chains.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
0 , < 1.24.9
(semver)
Affected: 1.25.0 , < 1.25.3 (semver) |
Credits
Jakub Ciolek
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CVE-2026-42504 (GCVE-0-2026-42504)
Vulnerability from cvelistv5 – Published: 2026-06-02 22:01 – Updated: 2026-06-26 20:22
VLAI?
EPSS
Title
Quadratic complexity in WordDecoder.DecodeHeader in mime
Summary
Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | mime |
Affected:
0 , < 1.25.11
(semver)
Affected: 1.26.0-0 , < 1.26.4 (semver) |
Credits
p4p3r (https://hackerone.com/p4p3r_hak)
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CVE-2025-58185 (GCVE-0-2025-58185)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:13
VLAI?
EPSS
Title
Parsing DER payload can cause memory exhaustion in encoding/asn1
Summary
Parsing a maliciously crafted DER payload could allocate large amounts of memory, causing memory exhaustion.
Severity ?
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | encoding/asn1 |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
Jakub Ciolek
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CVE-2025-47911 (GCVE-0-2025-47911)
Vulnerability from cvelistv5 – Published: 2026-02-05 17:48 – Updated: 2026-02-12 15:23
VLAI?
EPSS
Title
Quadratic parsing complexity in golang.org/x/net/html
Summary
The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to denial of service (DoS) if an attacker provides specially crafted HTML content.
Severity ?
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| golang.org/x/net | golang.org/x/net/html |
Affected:
0 , < 0.45.0
(semver)
|
Credits
Guido Vranken
Jakub Ciolek
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CVE-2025-61724 (GCVE-0-2025-61724)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:14
VLAI?
EPSS
Title
Excessive CPU consumption in Reader.ReadResponse in net/textproto
Summary
The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption.
Severity ?
5.3 (Medium)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/textproto |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
Jakub Ciolek
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CVE-2025-58189 (GCVE-0-2025-58189)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:13
VLAI?
EPSS
Title
ALPN negotiation error contains attacker controlled information in crypto/tls
Summary
When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.
Severity ?
5.3 (Medium)
CWE
- CWE-117 - Improper Output Neutralization for Logs
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/tls |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
National Cyber Security Centre Finland
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CVE-2025-61732 (GCVE-0-2025-61732)
Vulnerability from cvelistv5 – Published: 2026-02-05 03:42 – Updated: 2026-06-30 12:07
VLAI?
EPSS
Title
Potential code smuggling via doc comments in cmd/cgo
Summary
A discrepancy between how Go and C/C++ comments were parsed allowed for code smuggling into the resulting cgo binary.
Severity ?
8.6 (High)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go toolchain | cmd/cgo |
Affected:
0 , < 1.24.13
(semver)
Affected: 1.25.0-0 , < 1.25.7 (semver) |
Credits
RyotaK (https://ryotak.net) of GMO Flatt Security Inc.
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CVE-2026-33814 (GCVE-0-2026-33814)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-07-02 12:05
VLAI?
EPSS
Title
Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
Summary
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
Severity ?
7.5 (High)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| golang.org/x/net | golang.org/x/net/http2 |
Affected:
0 , < 0.53.0
(semver)
|
|||||||
|
|||||||||
Credits
Marwan Atia (marwansamir688@gmail.com)
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CVE-2026-35469 (GCVE-0-2026-35469)
Vulnerability from cvelistv5 – Published: 2026-04-16 21:19 – Updated: 2026-07-01 12:04
VLAI?
EPSS
Title
SpdyStream: DOS on CRI
Summary
spdystream is a Go library for multiplexing streams over SPDY connections. In versions 0.5.0 and below, the SPDY/3 frame parser does not validate attacker-controlled counts and lengths before allocating memory. Three allocation paths are affected: the SETTINGS frame entry count, the header count in parseHeaderValueBlock, and individual header field sizes — all read as 32-bit integers and used directly as allocation sizes with no bounds checking. Because SPDY header blocks are zlib-compressed, a small on-the-wire payload can decompress into large attacker-controlled values. A remote peer that can send SPDY frames to a service using spdystream can exhaust process memory and cause an out-of-memory crash with a single crafted control frame. This issue has been fixed in version 0.5.1.
Severity ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| moby | spdystream |
Affected:
< 0.5.1
|
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CVE-2026-27145 (GCVE-0-2026-27145)
Vulnerability from cvelistv5 – Published: 2026-06-02 22:01 – Updated: 2026-07-03 12:04
VLAI?
EPSS
Title
Inefficient candidate hostname parsing in crypto/x509
Summary
(*x509.Certificate).VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name (SAN) entries. This caused strings.Split(host, ".") to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number of SAN entries multiplied by the hostname's label count. Because x509.Verify validates hostnames before building the certificate chain, this overhead occurred even for untrusted certificates.
Severity ?
6.5 (Medium)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
0 , < 1.25.11
(semver)
Affected: 1.26.0-0 , < 1.26.4 (semver) |
Credits
Jakub Ciolek - https://ciolek.dev/
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CVE-2026-42507 (GCVE-0-2026-42507)
Vulnerability from cvelistv5 – Published: 2026-06-02 22:01 – Updated: 2026-06-03 19:04
VLAI?
EPSS
Title
Arbitrary inputs are included in errors without any escaping in net/textproto
Summary
When returning errors, functions in the net/textproto package would include its input as part of the error. This might allow an attacker to inject misleading content to errors that are printed or logged.
Severity ?
5.3 (Medium)
CWE
- CWE-532 - Insertion of Sensitive Information into Log File
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/textproto |
Affected:
0 , < 1.25.11
(semver)
Affected: 1.26.0-0 , < 1.26.4 (semver) |
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CVE-2026-33810 (GCVE-0-2026-33810)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-07-03 12:04
VLAI?
EPSS
Title
Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509
Summary
When verifying a certificate chain containing excluded DNS constraints, these constraints are not correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.
Severity ?
7.5 (High)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
1.26.0-0 , < 1.26.2
(semver)
|
Credits
Riyas from Saintgits College of Engineering
k1rnt
@1seal
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"value": "RHSA-2026:22485: Red Hat Lightspeed (formerly Insights) for Runtimes 1"
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},
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"value": "RHSA-2026:10158: Red Hat OpenShift Builds 1.7.3"
},
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"lang": "en",
"value": "RHSA-2026:21772: Red Hat OpenShift Dev Spaces 3.28"
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"value": "RHSA-2026:9385: Red Hat OpenShift distributed tracing 3.9.3"
},
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"lang": "en",
"value": "RHSA-2026:24478: Red Hat Trusted Artifact Signer 1.3"
},
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"lang": "en",
"value": "RHSA-2026:22960: Red Hat Web Terminal 1.11"
},
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},
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"lang": "en",
"time": "2026-04-08T01:06:56.546Z",
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"title": "crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application",
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"url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"
},
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"url": "https://pkg.go.dev/vuln/GO-2026-4866"
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CVE-2025-61725 (GCVE-0-2025-61725)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-12-09 17:42
VLAI?
EPSS
Title
Excessive CPU consumption in ParseAddress in net/mail
Summary
The ParseAddress function constructs domain-literal address components through repeated string concatenation. When parsing large domain-literal components, this can cause excessive CPU consumption.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/mail |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
Philippe Antoine (Catena cyber)
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CVE-2026-42499 (GCVE-0-2026-42499)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-07-03 12:05
VLAI?
EPSS
Title
Quadratic string concatenation in consumePhrase in net/mail
Summary
Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/mail |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
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},
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},
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"vendor": "Red Hat"
},
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],
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"vendor": "Red Hat"
},
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"vendor": "Red Hat"
},
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],
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"vendor": "Red Hat"
},
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],
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"vendor": "Red Hat"
},
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CVE-2025-58186 (GCVE-0-2025-58186)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:13
VLAI?
EPSS
Title
Lack of limit when parsing cookies can cause memory exhaustion in net/http
Summary
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
Severity ?
5.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/http |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
jub0bs
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CVE-2026-32288 (GCVE-0-2026-32288)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-04-13 18:20
VLAI?
EPSS
Title
Unbounded allocation for old GNU sparse in archive/tar
Summary
tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format.
Severity ?
5.5 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | archive/tar |
Affected:
0 , < 1.25.9
(semver)
Affected: 1.26.0-0 , < 1.26.2 (semver) |
Credits
Colin Walters (walters@verbum.org)
Uuganbayar Lkhamsuren (https://github.com/uug4na)
Jakub Ciolek
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CVE-2026-27139 (GCVE-0-2026-27139)
Vulnerability from cvelistv5 – Published: 2026-03-06 21:28 – Updated: 2026-03-09 14:53
VLAI?
EPSS
Title
FileInfo can escape from a Root in os
Summary
On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which the File was opened. The impact of this escape is limited to reading metadata provided by lstat from arbitrary locations on the filesystem without permitting reading or writing files outside the root.
Severity ?
CWE
- CWE-363 - Race Condition Enabling Link Following
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | os |
Affected:
0 , < 1.25.8
(semver)
Affected: 1.26.0-0 , < 1.26.1 (semver) |
Credits
Miloslav Trmač of Red Hat
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CVE-2026-39825 (GCVE-0-2026-39825)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-05-08 21:30
VLAI?
EPSS
Title
ReverseProxy forwards queries with more than urlmaxqueryparams parameters in net/http/httputil
Summary
ReverseProxy can forward queries containing parameters not visible to Rewrite functions. When used with a Rewrite function, or a Director function which parses query parameters, ReverseProxy sanitizes the forwarded request to remove query parameters which are not parsed by url.ParseQuery. ReverseProxy does not take ParseQuery's limit on the total number of query parameters (controlled by GODEBUG=urlmaxqueryparams=N) into account. This can permit ReverseProxy to forward a request containing a query parameter that is not visible to the Rewrite function. For example, the query "a1=x&a2=x&...&a10000=x&hidden=y" can forward the parameter "hidden=y" while hiding it from the proxy's Rewrite function.
Severity ?
5.3 (Medium)
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/http/httputil |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
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"confidentialityImpact": "LOW",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
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"affected": [
{
"collectionURL": "https://pkg.go.dev",
"defaultStatus": "unaffected",
"packageName": "net/http/httputil",
"product": "net/http/httputil",
"programRoutines": [
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"name": "cleanQueryParams"
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"name": "ReverseProxy.ServeHTTP"
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],
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"url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
},
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"url": "https://pkg.go.dev/vuln/GO-2026-4976"
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"title": "ReverseProxy forwards queries with more than urlmaxqueryparams parameters in net/http/httputil"
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CVE-2025-58183 (GCVE-0-2025-58183)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:13
VLAI?
EPSS
Title
Unbounded allocation when parsing GNU sparse map in archive/tar
Summary
tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A maliciously-crafted archive containing a large number of sparse regions can cause a Reader to read an unbounded amount of data from the archive into memory. When reading from a compressed source, a small compressed input can result in large allocations.
Severity ?
4.3 (Medium)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | archive/tar |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
Harshit Gupta (Mr HAX)
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CVE-2026-32281 (GCVE-0-2026-32281)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-04-13 18:19
VLAI?
EPSS
Title
Inefficient policy validation in crypto/x509
Summary
Validating certificate chains which use policies is unexpectedly inefficient when certificates in the chain contain a very large number of policy mappings, possibly causing denial of service. This only affects validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots CertPool, or in the system certificate pool.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
0 , < 1.25.9
(semver)
Affected: 1.26.0-0 , < 1.26.2 (semver) |
Credits
Jakub Ciolek - https://ciolek.dev
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CVE-2025-47912 (GCVE-0-2025-47912)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:10
VLAI?
EPSS
Title
Insufficient validation of bracketed IPv6 hostnames in net/url
Summary
The Parse function permits values other than IPv6 addresses to be included in square brackets within the host component of a URL. RFC 3986 permits IPv6 addresses to be included within the host component, enclosed within square brackets. For example: "http://[::1]/". IPv4 addresses and hostnames must not appear within square brackets. Parse did not enforce this requirement.
Severity ?
5.3 (Medium)
CWE
- CWE-1286 - Improper Validation of Syntactic Correctness of Input
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | net/url |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
Enze Wang, Jingcheng Yang and Zehui Miao of Tsinghua University
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},
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"name": "JoinPath"
},
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"name": "Parse"
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"name": "ParseRequestURI"
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"name": "URL.Parse"
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CVE-2026-32283 (GCVE-0-2026-32283)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-07-03 12:05
VLAI?
EPSS
Title
Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls
Summary
If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.
Severity ?
7.5 (High)
CWE
- CWE-667 - Improper Locking
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/tls |
Affected:
0 , < 1.25.9
(semver)
Affected: 1.26.0-0 , < 1.26.2 (semver) |
Credits
Jakub Ciolek - https://ciolek.dev/
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"affected": [
{
"cpes": [
"cpe:/a:redhat:ansible_automation_platform:2.6::el10",
"cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10"
],
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"product": "Red Hat Ansible Automation Platform 2.6 for RHEL 10",
"vendor": "Red Hat"
},
{
"cpes": [
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],
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"product": "Red Hat Enterprise Linux Server (v. 7 ELS)",
"vendor": "Red Hat"
},
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"cpes": [
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"cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8",
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],
"defaultStatus": "affected",
"product": "Red Hat Ansible Automation Platform 2.5 for RHEL 8",
"vendor": "Red Hat"
},
{
"cpes": [
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"cpe:/a:redhat:satellite_capsule:6.16::el8",
"cpe:/a:redhat:satellite_maintenance:6.16::el8",
"cpe:/a:redhat:satellite_utils:6.16::el8"
],
"defaultStatus": "affected",
"product": "Red Hat Satellite 6.16 for RHEL 8",
"vendor": "Red Hat"
},
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"product": "Red Hat Ansible Automation Platform 2.5 for RHEL 9",
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"vendor": "Red Hat"
},
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"product": "Red Hat OpenStack Platform 17.1",
"vendor": "Red Hat"
},
{
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},
{
"lang": "en",
"value": "RHSA-2026:19350: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:19352: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:19351: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:23228: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:19353: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:22714: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:26447: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:19369: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:28074: Red Hat Enterprise Linux AppStream (v. 9)"
},
{
"lang": "en",
"value": "RHSA-2026:26636: Custom Metric Autoscaler 2.19"
},
{
"lang": "en",
"value": "RHSA-2026:22423: Multicluster Global Hub 1.3.4"
},
{
"lang": "en",
"value": "RHSA-2026:22347: Multicluster Global Hub 1.4.5"
},
{
"lang": "en",
"value": "RHSA-2026:21769: Multicluster Global Hub 1.5.4"
},
{
"lang": "en",
"value": "RHSA-2026:23345: Multicluster Global Hub 1.6.2"
},
{
"lang": "en",
"value": "RHSA-2026:26571: OpenShift Compliance Operator 1"
},
{
"lang": "en",
"value": "RHSA-2026:7385: Red Hat Hardened Images"
},
{
"lang": "en",
"value": "RHSA-2026:7291: Red Hat Hardened Images"
},
{
"lang": "en",
"value": "RHSA-2026:22485: Red Hat Lightspeed (formerly Insights) for Runtimes 1"
},
{
"lang": "en",
"value": "RHSA-2026:14162: Red Hat OpenShift distributed tracing 3.9.3"
}
],
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"lang": "en",
"time": "2026-04-08T02:01:16.213Z",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2026-04-08T01:06:57.670Z",
"value": "Made public."
}
],
"title": "crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages",
"x_adpType": "supplier",
"x_generator": {
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"name": "Conn.handleKeyUpdate"
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{
"name": "clientHandshakeStateTLS13.establishHandshakeKeys"
},
{
"name": "clientHandshakeStateTLS13.readServerFinished"
},
{
"name": "serverHandshakeStateTLS13.sendServerParameters"
},
{
"name": "serverHandshakeStateTLS13.readClientFinished"
},
{
"name": "Conn.Handshake"
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"name": "Conn.HandshakeContext"
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"name": "Conn.Read"
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CVE-2025-58188 (GCVE-0-2025-58188)
Vulnerability from cvelistv5 – Published: 2025-10-29 22:10 – Updated: 2025-11-04 21:13
VLAI?
EPSS
Title
Panic when validating certificates with DSA public keys in crypto/x509
Summary
Validating certificate chains which contain DSA public keys can cause programs to panic, due to a interface cast that assumes they implement the Equal method. This affects programs which validate arbitrary certificate chains.
Severity ?
7.5 (High)
CWE
- CWE-248 - Uncaught Exception
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | crypto/x509 |
Affected:
0 , < 1.24.8
(semver)
Affected: 1.25.0 , < 1.25.2 (semver) |
Credits
Jakub Ciolek
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CVE-2026-39823 (GCVE-0-2026-39823)
Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-05-08 14:05
VLAI?
EPSS
Title
Bypass of meta content URL escaping causes XSS in html/template
Summary
CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.
Severity ?
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | html/template |
Affected:
0 , < 1.25.10
(semver)
Affected: 1.26.0-0 , < 1.26.3 (semver) |
Credits
Samy Ghannad
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CVE-2026-32282 (GCVE-0-2026-32282)
Vulnerability from cvelistv5 – Published: 2026-04-08 01:06 – Updated: 2026-04-13 18:20
VLAI?
EPSS
Title
TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix
Summary
On Linux, if the target of Root.Chmod is replaced with a symlink while the chmod operation is in progress, Chmod can operate on the target of the symlink, even when the target lies outside the root. The Linux fchmodat syscall silently ignores the AT_SYMLINK_NOFOLLOW flag, which Root.Chmod uses to avoid symlink traversal. Root.Chmod checks its target before acting and returns an error if the target is a symlink lying outside the root, so the impact is limited to cases where the target is replaced with a symlink between the check and operation.
Severity ?
6.4 (Medium)
CWE
- CWE-61 - UNIX Symbolic Link (Symlink) Following
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Go standard library | internal/syscall/unix |
Affected:
0 , < 1.25.9
(semver)
Affected: 1.26.0-0 , < 1.26.2 (semver) |
Credits
Uuganbayar Lkhamsuren (https://github.com/uug4na)
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GHSA-PC3F-X583-G7J2
Vulnerability from github – Published: 2026-04-16 20:44 – Updated: 2026-06-08 23:36
VLAI?
Summary
SpdyStream: DOS on CRI
Details
The SPDY/3 frame parser in spdystream does not validate
attacker-controlled counts and lengths before allocating memory. A
remote peer that can send SPDY frames to a service using spdystream can
cause the process to allocate gigabytes of memory with a small number of
malformed control frames, leading to an out-of-memory crash.
Three allocation paths in the receive side are affected:
1. SETTINGS entry count -- The SETTINGS frame reader reads a 32-bit
numSettings from the payload and allocates a slice of that size
without checking it against the declared frame length. An attacker
can set numSettings to a value far exceeding the actual payload,
triggering a large allocation before any setting data is read.
2. Header count -- parseHeaderValueBlock reads a 32-bit
numHeaders from the decompressed header block and allocates an
http.Header map of that size with no upper bound.
3. Header field size -- Individual header name and value lengths are
read as 32-bit integers and used directly as allocation sizes with
no validation.
Because SPDY header blocks are zlib-compressed, a small on-the-wire
payload can decompress into attacker-controlled bytes that the parser
interprets as 32-bit counts and lengths. A single crafted frame is
enough to exhaust process memory.
Impact
Any program that accepts SPDY connections using spdystream -- directly or through a dependent library -- is affected. A remote peer that can send SPDY frames to the service can crash the process with a single crafted SPDY control frame, causing denial of service.
Affected versions
github.com/moby/spdystream <= v0.5.0
Fix
v0.5.1 addresses the receive-side allocation bugs and adds related
hardening:
Core fixes:
- SETTINGS entry-count validation -- The SETTINGS frame reader now
checks that numSettings is consistent with the declared frame
length (numSettings <= (length-4)/8) before allocating.
- Header count limit -- parseHeaderValueBlock enforces a maximum
number of headers per frame (default: 1000).
- Header field size limit -- Individual header name and value
lengths are checked against a per-field size limit (default: 1 MiB)
before allocation.
- Connection closure on protocol error -- The connection read loop
now closes the underlying net.Conn when it encounters an
InvalidControlFrame error, preventing further exploitation on the
same connection.
Additional hardening:
- Write-side bounds checks -- All frame write methods now verify
that payloads fit within the 24-bit length field, preventing the
library from producing invalid frames.
Configurable limits:
- Callers can adjust the defaults using NewConnectionWithOptions or
the lower-level spdy.NewFramerWithOptions with functional options:
WithMaxControlFramePayloadSize, WithMaxHeaderFieldSize, and
WithMaxHeaderCount.
Severity ?
{
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{
"database_specific": {
"last_known_affected_version_range": "\u003c= 0.5.0"
},
"package": {
"ecosystem": "Go",
"name": "github.com/moby/spdystream"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.5.1"
}
],
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}
]
}
],
"aliases": [
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],
"database_specific": {
"cwe_ids": [
"CWE-770"
],
"github_reviewed": true,
"github_reviewed_at": "2026-04-16T20:44:01Z",
"nvd_published_at": "2026-04-16T22:16:37Z",
"severity": "HIGH"
},
"details": "The SPDY/3 frame parser in spdystream does not validate\nattacker-controlled counts and lengths before allocating memory. A\nremote peer that can send SPDY frames to a service using spdystream can\ncause the process to allocate gigabytes of memory with a small number of\nmalformed control frames, leading to an out-of-memory crash.\n\u00a0\nThree allocation paths in the receive side are affected:\n1. **SETTINGS entry count** -- The SETTINGS frame reader reads a 32-bit\n`numSettings` from the payload and allocates a slice of that size\nwithout checking it against the declared frame length. An attacker\ncan set `numSettings` to a value far exceeding the actual payload,\ntriggering a large allocation before any setting data is read.\n\u00a0\n2. **Header count** -- `parseHeaderValueBlock` reads a 32-bit\n`numHeaders` from the decompressed header block and allocates an\n`http.Header` map of that size with no upper bound.\n\u00a0\n3. **Header field size** -- Individual header name and value lengths are\nread as 32-bit integers and used directly as allocation sizes with\nno validation.\n\u00a0\nBecause SPDY header blocks are zlib-compressed, a small on-the-wire\npayload can decompress into attacker-controlled bytes that the parser\ninterprets as 32-bit counts and lengths. A single crafted frame is\nenough to exhaust process memory.\n## Impact\n\u00a0Any program that accepts SPDY connections using spdystream -- directly\nor through a dependent library -- is affected. A remote peer that can\nsend SPDY frames to the service can crash the process with a single\ncrafted SPDY control frame, causing denial of service.\n## Affected versions\n\u00a0`github.com/moby/spdystream` \u003c= v0.5.0\n## Fix\n\u00a0v0.5.1 addresses the receive-side allocation bugs and adds related\nhardening:\n\u00a0\n**Core fixes:**\n\u00a0\n- **SETTINGS entry-count validation** -- The SETTINGS frame reader now\nchecks that `numSettings` is consistent with the declared frame\nlength (`numSettings \u003c= (length-4)/8`) before allocating.\n\u00a0\n- **Header count limit** -- `parseHeaderValueBlock` enforces a maximum\nnumber of headers per frame (default: 1000).\n\u00a0\n- **Header field size limit** -- Individual header name and value\nlengths are checked against a per-field size limit (default: 1 MiB)\nbefore allocation.\n\u00a0\n- **Connection closure on protocol error** -- The connection read loop\nnow closes the underlying `net.Conn` when it encounters an\n`InvalidControlFrame` error, preventing further exploitation on the\nsame connection.\n\u00a0\n**Additional hardening:**\n\u00a0\n- **Write-side bounds checks** -- All frame write methods now verify\nthat payloads fit within the 24-bit length field, preventing the\nlibrary from producing invalid frames.\n\u00a0\n**Configurable limits:**\n\u00a0\n- Callers can adjust the defaults using `NewConnectionWithOptions` or\nthe lower-level `spdy.NewFramerWithOptions` with functional options:\n`WithMaxControlFramePayloadSize`, `WithMaxHeaderFieldSize`, and\n`WithMaxHeaderCount`.\n\u00a0",
"id": "GHSA-pc3f-x583-g7j2",
"modified": "2026-06-08T23:36:28Z",
"published": "2026-04-16T20:44:01Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/moby/spdystream/security/advisories/GHSA-pc3f-x583-g7j2"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35469"
},
{
"type": "WEB",
"url": "https://github.com/moby/spdystream/commit/ef6121f62c730110bf5ae604a865a8613bfb787f"
},
{
"type": "PACKAGE",
"url": "https://github.com/moby/spdystream"
},
{
"type": "WEB",
"url": "https://github.com/moby/spdystream/releases/tag/v0.5.1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "SpdyStream: DOS on CRI"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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