CVE-2021-20312

NameCVE-2021-20312
DescriptionA flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by 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)
https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482
https://github.com/ImageMagick/ImageMagick6/commit/e53e24b078f7fa586f9cc910491b8910f5bdad2e

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