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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2672-1, DLA-3429-1, ELA-419-1
Debian Bugs1013282

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
imagemagick (PTS)jessie, jessie (lts)8:6.8.9.9-5+deb8u26fixed
stretch (security)8:6.9.7.4+dfsg-11+deb9u14fixed
stretch (lts), stretch8:6.9.7.4+dfsg-11+deb9u19fixed
buster8:6.9.10.23+dfsg-2.1+deb10u1vulnerable
buster (security)8:6.9.10.23+dfsg-2.1+deb10u7fixed
bullseye8:6.9.11.60+dfsg-1.3+deb11u2vulnerable
bullseye (security)8:6.9.11.60+dfsg-1.3+deb11u3vulnerable
bookworm8:6.9.11.60+dfsg-1.6fixed
bookworm (security)8:6.9.11.60+dfsg-1.6+deb12u1fixed
trixie8:6.9.12.98+dfsg1-5fixed
sid8:6.9.12.98+dfsg1-5.2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksourceexperimental8:6.9.12.20+dfsg1-1
imagemagicksourcejessie8:6.8.9.9-5+deb8u24ELA-419-1
imagemagicksourcestretch8:6.9.7.4+dfsg-11+deb9u13DLA-2672-1
imagemagicksourcebuster8:6.9.10.23+dfsg-2.1+deb10u5DLA-3429-1
imagemagicksource(unstable)8:6.9.11.60+dfsg-1.51013282

Notes

[bullseye] - imagemagick <ignored> (Minor issue)
https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482
https://github.com/ImageMagick/ImageMagick6/commit/e53e24b078f7fa586f9cc910491b8910f5bdad2e

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