CVE-2021-20224

NameCVE-2021-20224
DescriptionAn integer overflow issue was discovered in ImageMagick's ExportIndexQuantum() function in MagickCore/quantum-export.c. Function calls to GetPixelIndex() could result in values outside the range of representable for the 'unsigned char'. When ImageMagick processes a crafted pdf file, this could lead to an undefined behaviour or a crash.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3357-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
imagemagick (PTS)bullseye8:6.9.11.60+dfsg-1.3+deb11u4fixed
bullseye (security)8:6.9.11.60+dfsg-1.3+deb11u3fixed
bookworm8:6.9.11.60+dfsg-1.6+deb12u2fixed
bookworm (security)8:6.9.11.60+dfsg-1.6+deb12u1fixed
sid, trixie8:6.9.13.12+dfsg1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksourcebuster8:6.9.10.23+dfsg-2.1+deb10u2DLA-3357-1
imagemagicksource(unstable)8:6.9.11.57+dfsg-1

Notes

https://github.com/ImageMagick/ImageMagick/pull/3083
https://github.com/ImageMagick/ImageMagick/commit/5af1dffa4b6ab984b5f13d1e91c95760d75f12a6
https://github.com/ImageMagick/ImageMagick6/commit/553054c1cb1e4e05ec86237afef76a32cd7c464d

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