CVE-2020-23922

NameCVE-2020-23922
DescriptionAn issue was discovered in giflib through 5.1.4. DumpScreen2RGB in gif2rgb.c has a heap-based buffer over-read.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs988151

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
giflib (PTS)buster5.1.4-3vulnerable
buster (security)5.1.4-3+deb10u1vulnerable
bullseye5.1.9-2vulnerable
bookworm, sid, trixie5.2.1-2.5vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
giflibsource(unstable)(unfixed)unimportant988151

Notes

https://sourceforge.net/p/giflib/bugs/151/
Specific to gif2rgb. Crash in CLI tool, no security impact
Reproducer does not trigger using giflib 5.2.1-2.5 with asan or valgrind.

Search for package or bug name: Reporting problems