CVE-2021-20309

NameCVE-2021-20309
DescriptionA flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. The highest threat from this vulnerability is to system availability.
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)
ReferencesDLA-2672-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
imagemagick (PTS)stretch8:6.9.7.4+dfsg-11+deb9u8vulnerable
stretch (security)8:6.9.7.4+dfsg-11+deb9u13fixed
buster, buster (security)8:6.9.10.23+dfsg-2.1+deb10u1vulnerable
bullseye, sid8:6.9.11.60+dfsg-1.3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksourcestretch8:6.9.7.4+dfsg-11+deb9u13DLA-2672-1
imagemagicksource(unstable)(unfixed)

Notes

[bullseye] - imagemagick <ignored> (Minor issue)
[buster] - imagemagick <ignored> (Minor issue)
ImageMagick: https://github.com/ImageMagick/ImageMagick/commit/94174beff065cb5683d09d79e992c3ebbdead311
ImageMagick6: https://github.com/ImageMagick/ImageMagick6/commit/f1e68d22d1b35459421710587a0dcbab6900b51f

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