CVE-2020-14360

NameCVE-2020-14360
DescriptionA flaw was found in the X.Org Server before version 1.20.10. An out-of-bounds access in the XkbSetMap function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2486-1, DSA-4803-1, ELA-328-1
Debian Bugs976216

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xorg-server (PTS)jessie, jessie (lts)2:1.16.4-1+deb8u17fixed
stretch (security)2:1.19.2-1+deb9u9fixed
stretch (lts), stretch2:1.19.2-1+deb9u20fixed
buster, buster (lts)2:1.20.4-1+deb10u15fixed
buster (security)2:1.20.4-1+deb10u14fixed
bullseye2:1.20.11-1+deb11u13fixed
bullseye (security)2:1.20.11-1+deb11u14fixed
bookworm (security), bookworm2:21.1.7-3+deb12u8fixed
sid, trixie2:21.1.14-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xorg-serversourcejessie2:1.16.4-1+deb8u4ELA-328-1
xorg-serversourcestretch2:1.19.2-1+deb9u7DLA-2486-1
xorg-serversourcebuster2:1.20.4-1+deb10u2DSA-4803-1
xorg-serversource(unstable)2:1.20.10-1976216

Notes

https://gitlab.freedesktop.org/xorg/xserver/-/commit/446ff2d3177087b8173fa779fa5b77a2a128988b

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