CVE-2026-86137

low

Description

In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.

References

https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1099

https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4

https://github.com/GNOME/libxml2/commit/76fe08d97de88bfaef2f7d5cd27f11954cc5bee2

Details

Source: Mitre, NVD

Published: 2026-09-05

Updated: 2026-09-05

Risk Information

CVSS v2

Base Score: 1.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 2.9

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

Severity: Low

EPSS

EPSS: 0.00116