CVE-2021-45340

NameCVE-2021-45340
DescriptionIn Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1004377

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsixel (PTS)bullseye1.8.6-2vulnerable
trixie, bookworm, sid1.10.3-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsixelsource(unstable)(unfixed)1004377

Notes

[bookworm] - libsixel <ignored> (Minor issue)
[bullseye] - libsixel <no-dsa> (Minor issue)
[buster] - libsixel <no-dsa> (Minor issue)
[stretch] - libsixel <no-dsa> (Minor issue)
https://github.com/libsixel/libsixel/issues/51
Fixed by: https://github.com/libsixel/libsixel/pull/52

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