| Name | CVE-2023-5380 |
| Description | A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode) if the pointer is warped from within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3631-1, DSA-5534-1, ELA-990-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xorg-server (PTS) | jessie, jessie (lts) | 2:1.16.4-1+deb8u17 | fixed |
| stretch (security) | 2:1.19.2-1+deb9u9 | vulnerable | |
| stretch (lts), stretch | 2:1.19.2-1+deb9u20 | fixed | |
| buster, buster (lts) | 2:1.20.4-1+deb10u15 | fixed | |
| buster (security) | 2:1.20.4-1+deb10u14 | fixed | |
| bullseye | 2:1.20.11-1+deb11u13 | fixed | |
| bullseye (security) | 2:1.20.11-1+deb11u14 | fixed | |
| bookworm (security), bookworm | 2:21.1.7-3+deb12u8 | fixed | |
| trixie | 2:21.1.14-2 | fixed | |
| sid | 2:21.1.15-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xorg-server | source | jessie | 2:1.16.4-1+deb8u12 | ELA-990-1 | ||
| xorg-server | source | stretch | 2:1.19.2-1+deb9u15 | ELA-990-1 | ||
| xorg-server | source | buster | 2:1.20.4-1+deb10u10 | DLA-3631-1 | ||
| xorg-server | source | bullseye | 2:1.20.11-1+deb11u8 | DSA-5534-1 | ||
| xorg-server | source | bookworm | 2:21.1.7-3+deb12u2 | DSA-5534-1 | ||
| xorg-server | source | (unstable) | 2:21.1.9-1 |
https://lists.x.org/archives/xorg-announce/2023-October/003430.html
Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/564ccf2ce9616620456102727acb8b0256b7bbd7