DescriptionThe ExportAlphaQuantumType function in export.c in GraphicsMagick before 1.3.18 might allow remote attackers to cause a denial of service (crash) via vectors related to exporting the alpha of an 8-bit RGBA image.
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 Bugs729661

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
graphicsmagick (PTS)jessie1.3.20-3+deb8u2fixed
jessie (security)1.3.20-3+deb8u7fixed
stretch (security), stretch1.3.30+hg15796-1~deb9u2fixed
bullseye, sid1.4+really1.3.33-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[squeeze] - graphicsmagick <no-dsa> (Minor issue)
[wheezy] - graphicsmagick <no-dsa> (Minor issue)

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