Search criteria
9 vulnerabilities by xmlsoft
CVE-2026-11979 (GCVE-0-2026-11979)
Vulnerability from cvelistv5 – Published: 2026-06-29 13:21 – Updated: 2026-06-29 13:59 X_Open Source Disputed
VLAI?
Title
Stack-Based Buffer Overflow in libxml2
Summary
libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell() function processes user input using fixed-size stack buffers without proper bounds checking.
By supplying an overly long input line, an attacker can overflow internal buffers (command, arg, and argv) during input parsing. This results in memory corruption within the stack frame.
Successful exploitation may cause a crash or potentially allow arbitrary code execution in the context of the xmlcatalog process.
This issue has been fixed in the commit c2e233fc.
NOTE:
The maintainers of this project did not agree that this issue is a vulnerability and considered it a bug.
Severity ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Credits
Michał Majchrowicz (AFINE Team)
Marcin Wyczechowski (AFINE Team)
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CVE-2025-32415 (GCVE-0-2025-32415)
Vulnerability from cvelistv5 – Published: 2025-04-17 00:00 – Updated: 2025-11-03 19:53
VLAI?
Summary
In libxml2 before 2.13.8 and 2.14.x before 2.14.2, xmlSchemaIDCFillNodeTables in xmlschemas.c has a heap-based buffer under-read. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
Severity ?
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
Impacted products
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CVE-2025-32414 (GCVE-0-2025-32414)
Vulnerability from cvelistv5 – Published: 2025-04-08 00:00 – Updated: 2025-11-03 19:53
VLAI?
Summary
In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API (Python bindings) because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes and characters.
Severity ?
5.6 (Medium)
CWE
- CWE-393 - Return of Wrong Status Code
Assigner
References
Impacted products
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CVE-2024-55549 (GCVE-0-2024-55549)
Vulnerability from cvelistv5 – Published: 2025-03-14 00:00 – Updated: 2025-11-03 20:48
VLAI?
Summary
xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2025-24855 (GCVE-0-2025-24855)
Vulnerability from cvelistv5 – Published: 2025-03-14 00:00 – Updated: 2026-02-26 19:09
VLAI?
Summary
numbers.c in libxslt before 1.1.43 has a use-after-free because, in nested XPath evaluations, an XPath context node can be modified but never restored. This is related to xsltNumberFormatGetValue, xsltEvalXPathPredicate, xsltEvalXPathStringNs, and xsltComputeSortResultInternal.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2025-24928 (GCVE-0-2025-24928)
Vulnerability from cvelistv5 – Published: 2025-02-18 00:00 – Updated: 2026-02-26 19:08
VLAI?
Summary
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047.
Severity ?
7.8 (High)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
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CVE-2025-27113 (GCVE-0-2025-27113)
Vulnerability from cvelistv5 – Published: 2025-02-18 00:00 – Updated: 2025-11-03 21:13
VLAI?
Summary
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a NULL pointer dereference in xmlPatMatch in pattern.c.
Severity ?
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
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CVE-2024-56171 (GCVE-0-2024-56171)
Vulnerability from cvelistv5 – Published: 2025-02-18 00:00 – Updated: 2025-11-03 20:49
VLAI?
Summary
libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
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CVE-2022-49043 (GCVE-0-2022-49043)
Vulnerability from cvelistv5 – Published: 2025-01-26 00:00 – Updated: 2025-11-03 20:35
VLAI?
Summary
xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free.
Severity ?
8.1 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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