Vulnerability DatabaseCVE-2026-86141
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CVE-2026-86141
Published:September 05, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/GNOME/libxml2.git (GITHUB):
Affected version(s) >=v2.7.4 <v2.15.4
Fix Suggestion:
Update to version v2.15.4
Related Resources (5)
https://nvd.nist.gov/vuln/detail/CVE-2026-86141
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107
https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86141.json
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4
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CVSS v4
Base Score:
2.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Unchecked Return Value
CWE-252
EPSS
Base Score:
0.12