CVE-2026-86141

3.3 lowEPSS 0.2%

Low (3.3) in xmlsoft libxml2. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

3.3 low

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)
CWE: CWE-252
Published: 2026-09-05
Modified: 2026-09-15
Record from: the NVD, synced 2026-10-19

Affected

xmlsoft:libxml2

References

https://github.com/GNOME/libxml2/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55
https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107

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