| Name | CVE-2023-43785 |
| Description | A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system. |
| 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-3602-1, DSA-5517-1, ELA-979-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libx11 (PTS) | jessie, jessie (lts) | 2:1.6.2-3+deb8u7 | fixed |
| stretch (security) | 2:1.6.4-3+deb9u4 | vulnerable | |
| stretch (lts), stretch | 2:1.6.4-3+deb9u6 | fixed | |
| buster (security), buster, buster (lts) | 2:1.6.7-1+deb10u4 | fixed | |
| bullseye (security), bullseye | 2:1.7.2-1+deb11u2 | fixed | |
| bookworm (security), bookworm | 2:1.8.4-2+deb12u2 | fixed | |
| sid, trixie | 2:1.8.10-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libx11 | source | jessie | 2:1.6.2-3+deb8u7 | ELA-979-1 | ||
| libx11 | source | stretch | 2:1.6.4-3+deb9u6 | ELA-979-1 | ||
| libx11 | source | buster | 2:1.6.7-1+deb10u4 | DLA-3602-1 | ||
| libx11 | source | bullseye | 2:1.7.2-1+deb11u2 | DSA-5517-1 | ||
| libx11 | source | bookworm | 2:1.8.4-2+deb12u2 | DSA-5517-1 | ||
| libx11 | source | (unstable) | 2:1.8.7-1 |
https://www.openwall.com/lists/oss-security/2023/10/03/1
Fixed by: https://gitlab.freedesktop.org/xorg/lib/libx11/-/commit/6858d468d9ca55fb4c5fd70b223dbc78a3358a7f