๐Ÿ” CVE Alert

CVE-2026-86137

LOW 2.9
CVSS Score
2.9
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-125
Vendor xmlsoft
Product libxml2
Published Sep 5, 2026
Last Updated Sep 14, 2026
Stay Ahead of the Next One

Get instant alerts for xmlsoft libxml2

Be the first to know when new low vulnerabilities affecting xmlsoft libxml2 are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Affected Versions

xmlsoft / libxml2
0 < 2.15.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4 github.com: https://github.com/GNOME/libxml2/commit/76fe08d97de88bfaef2f7d5cd27f11954cc5bee2 gitlab.gnome.org: https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1099