CVE-2019-20023

NameCVE-2019-20023
DescriptionA memory leak was discovered in image_buffer_resize in fromsixel.c in libsixel 1.8.4.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs948103

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsixel (PTS)buster1.8.2-1+deb10u1vulnerable
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
libsixelsource(unstable)1.8.6-1low948103

Notes

[buster] - libsixel <no-dsa> (Minor issue)
[stretch] - libsixel <no-dsa> (Minor issue)
[jessie] - libsixel <no-dsa> (Minor issue)
https://github.com/saitoha/libsixel/issues/120
Proposed fix: https://github.com/saitoha/libsixel/commit/b9a4175c803b50a863b0fbd8b8b49058ca725ea6

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