CVE-2021-40656

NameCVE-2021-40656
Descriptionlibsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsixel (PTS)jessie1.1.2-1vulnerable
stretch1.5.2-2+deb9u1vulnerable
buster1.8.2-1+deb10u1vulnerable
bullseye1.8.6-2vulnerable
sid, trixie, bookworm1.10.3-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsixelsourcejessie(unfixed)end-of-life
libsixelsource(unstable)1.10.3-1

Notes

[bullseye] - libsixel <no-dsa> (Minor issue)
[buster] - libsixel <no-dsa> (Minor issue)
[stretch] - libsixel <no-dsa> (Minor issue)
https://github.com/libsixel/libsixel/commit/dc96cdc27fb53e8595af67aaf68001033c808e42 (1.10.0)
https://github.com/libsixel/libsixel/pull/26
https://github.com/libsixel/libsixel/issues/25

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