CVE-2021-46700

NameCVE-2021-46700
DescriptionIn libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs1014469

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsixel (PTS)buster1.8.2-1+deb10u1vulnerable
bullseye1.8.6-2vulnerable
bookworm, sid1.10.3-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsixelsource(unstable)(unfixed)1014469

Notes

[bullseye] - libsixel <no-dsa> (Minor issue)
[buster] - libsixel <no-dsa> (Minor issue)
[stretch] - libsixel <no-dsa> (Minor issue)
https://github.com/saitoha/libsixel/issues/158

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