CVE-2018-19763

NameCVE-2018-19763
DescriptionThere is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs931311

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsixel (PTS)jessie1.1.2-1fixed
stretch1.5.2-2+deb9u1fixed
buster1.8.2-1+deb10u1fixed
bullseye1.8.6-2fixed
sid, trixie, bookworm1.10.3-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsixelsourcejessie(not affected)
libsixelsourcestretch1.5.2-2+deb9u1
libsixelsourcebuster1.8.2-1+deb10u1
libsixelsource(unstable)1.8.2-2931311

Notes

[jessie] - libsixel <not-affected> (The vulnerable code is not present)
https://github.com/saitoha/libsixel/issues/82
https://bugzilla.redhat.com/show_bug.cgi?id=1649201 (reproducer)

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