| Name | CVE-2020-14346 |
| Description | A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. |
| 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-2359-1, DSA-4758-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xorg-server (PTS) | buster | 2:1.20.4-1+deb10u4 | fixed |
| buster (security) | 2:1.20.4-1+deb10u9 | fixed |
| bullseye (security), bullseye | 2:1.20.11-1+deb11u6 | fixed |
| bookworm | 2:21.1.7-3 | fixed |
| trixie, sid | 2:21.1.8-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://lists.x.org/archives/xorg-announce/2020-August/003058.html
https://gitlab.freedesktop.org/xorg/xserver/-/commit/c940cc8b6c0a2983c1ec974f1b3f019795dd4cff