FKIE_CVE-2026-23490
Vulnerability from fkie_nvd - Published: 2026-01-16 19:16 - Updated: 2026-06-30 03:17
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| pyasn1 | pyasn1 | * | |
| debian | debian_linux | 11.0 |
{
"affected": [
{
"affectedData": [
{
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"vendor": "pyasn1",
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{
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}
]
}
],
"source": "security-advisories@github.com"
},
{
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},
{
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},
{
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},
{
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{
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},
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{
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},
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],
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},
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],
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},
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],
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},
{
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],
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},
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],
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
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"matchCriteriaId": "C70B68D3-480C-4132-84A7-CF1C31714EB2",
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.2, a Denial-of-Service issue has been found that leads to memory exhaustion from malformed RELATIVE-OID with excessive continuation octets. This vulnerability is fixed in 0.6.2."
},
{
"lang": "es",
"value": "pyasn1 es una librer\u00eda ASN.1 gen\u00e9rica para Python. Antes de la versi\u00f3n 0.6.2, se ha encontrado un problema de denegaci\u00f3n de servicio que provoca el agotamiento de la memoria debido a un RELATIVE-OID malformado con octetos de continuaci\u00f3n excesivos. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 0.6.2."
}
],
"id": "CVE-2026-23490",
"lastModified": "2026-06-30T03:17:31.323",
"metrics": {
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"baseScore": 7.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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},
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}
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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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