CVE-2021-20313

NameCVE-2021-20313
DescriptionA flaw was found in ImageMagick in versions before 7.0.11. A potential cipher leak when the calculate signatures in TransformSignature is possible. The highest threat from this vulnerability is to data confidentiality.
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
Debian Bugs1013282

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
imagemagick (PTS)buster8:6.9.10.23+dfsg-2.1+deb10u1vulnerable
buster (security)8:6.9.10.23+dfsg-2.1+deb10u5fixed
bullseye (security), bullseye8:6.9.11.60+dfsg-1.3+deb11u1vulnerable
bookworm8:6.9.11.60+dfsg-1.6fixed
sid, trixie8:6.9.12.98+dfsg1-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksourceexperimental8:6.9.12.20+dfsg1-1
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 <no-dsa> (Minor issue)
https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482
IM6: https://github.com/ImageMagick/ImageMagick6/commit/e53e24b078f7fa586f9cc910491b8910f5bdad2e

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