| Name | CVE-2017-13723 |
| Description | In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp. |
| 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-1186-1, DSA-4000-1 |
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 | fixed | |
| 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 | |
| sid, trixie | 2:21.1.14-2 | 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 | wheezy | 2:1.12.4-6+deb7u8 | DLA-1186-1 | ||
| xorg-server | source | jessie | 2:1.16.4-1+deb8u2 | DSA-4000-1 | ||
| xorg-server | source | stretch | 2:1.19.2-1+deb9u2 | DSA-4000-1 | ||
| xorg-server | source | (unstable) | 2:1.19.4-1 |
https://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeaef6f424d76ac
This is in libxkbfile in wheezy