| Name | CVE-2016-7943 |
| Description | The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations. |
| 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-684-1 |
| Debian Bugs | 840439 |
Vulnerable and fixed packages
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 | fixed |
| 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 | wheezy | 2:1.5.0-1+deb7u3 | | DLA-684-1 | |
| libx11 | source | jessie | 2:1.6.2-3+deb8u1 | | | |
| libx11 | source | (unstable) | 2:1.6.4-1 | low | | 840439 |
Notes
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8c29f1607a31dac0911e45a0dd3d74173822b3c9