CVE search · CVE-2026-86141

CVE-2026-86141

low 3.3

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.

Open in the NVD CVE.org JSON

Status: Analyzed
Published: 2026-09-05
Last changed: 2026-09-15
Source: cve@mitre.org
Weakness: CWE-252

Severity

Version	Score	Vector	Source
CVSS 3.1	low 2.9	`CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L`	cve@mitre.orgSecondary
CVSS 3.1	low 3.3	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L`	nvd@nist.govPrimary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

xmlsoft · libxml2

References

https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55Patch
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4Release Notes
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107Vendor Advisory

CVE-2026-86141

Details

Severity

Affected products

References