CVE-2026-86141

xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.

CVSS v3 2.9 LOW

2.9^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.4 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55	Patch
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4	Release Notes
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-09-05 05:17

Updated : 2026-09-15 19:37

NVD link : CVE-2026-86141

Mitre link : CVE-2026-86141

CVE.ORG link : CVE-2026-86141

JSON object : View

Products Affected

xmlsoft

libxml2

CWE

CWE-252

Unchecked Return Value

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