| Name | CVE-2026-86141 |
| Description | 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1146744 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxml2 (PTS) | bookworm | 2.9.14+dfsg-1.3~deb12u6 | vulnerable |
| bookworm (security) | 2.9.14+dfsg-1.3~deb12u4 | vulnerable | |
| trixie | 2.12.7+dfsg+really2.9.14-2.1+deb13u3 | vulnerable | |
| trixie (security) | 2.12.7+dfsg+really2.9.14-2.1+deb13u1 | vulnerable | |
| forky, sid | 2.15.4+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxml2 | source | (unstable) | 2.15.4+dfsg-1 | 1146744 |
https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1107
Fixed by: https://gitlab.gnome.org/GNOME/libxml2/-/commit/e89a8aae4c9b40cdafcf66b3f9e57c62db37bb55 (v2.15.4)