CVE-2018-19757

NameCVE-2018-19757
DescriptionThere is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs931311

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsixel (PTS)jessie1.1.2-1vulnerable
stretch1.5.2-2vulnerable
buster1.8.2-1vulnerable
bullseye, sid1.8.2-2.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsixelsource(unstable)1.8.2-2medium931311

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/79
https://bugzilla.redhat.com/show_bug.cgi?id=1649197 (reproducer)

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