| Name | CVE-2020-14362 |
| Description | A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. 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) | bullseye | 2:1.20.11-1+deb11u13 | fixed |
| bullseye (security) | 2:1.20.11-1+deb11u16 | fixed |
| bookworm, bookworm (security) | 2:21.1.7-3+deb12u10 | fixed |
| trixie | 2:21.1.16-1.3 | fixed |
| forky, sid | 2:21.1.18-2 | 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/2902b78535ecc6821cc027351818b28a5c7fdbdc