| Name | CVE-2026-93519 |
| Description | XFixes Pointer Barrier Event List Buffer Overflow |
| 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 | 1150213, 1150214 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xorg-server (PTS) | bookworm | 2:21.1.7-3+deb12u12 | vulnerable |
| bookworm (security) | 2:21.1.7-3+deb12u13 | vulnerable |
| trixie | 2:21.1.16-1.3+deb13u3 | vulnerable |
| trixie (security) | 2:21.1.16-1.3+deb13u4 | vulnerable |
| forky | 2:21.1.24-1 | vulnerable |
| sid | 2:21.1.25-1 | fixed |
| xwayland (PTS) | bookworm | 2:22.1.9-1 | vulnerable |
| trixie | 2:24.1.6-1 | vulnerable |
| forky | 2:24.1.13-1 | vulnerable |
| sid | 2:24.1.14-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
Xwayland shouldn't be running as root, cf. README.Debian.security
https://lists.x.org/archives/xorg-announce/2026-October/003747.html
Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/9c3880d0745acefc98ed37e79498dfbe558a0f40 (xorg-server-21.1.25)