CVE-2020-27765

NameCVE-2020-27765
DescriptionA flaw was found in ImageMagick in MagickCore/segment.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.9-0.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2523-1, DLA-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
trixie8:6.9.13.12+dfsg1-1fixed
sid8:7.1.1.39+dfsg1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksourcestretch8:6.9.7.4+dfsg-11+deb9u11DLA-2523-1
imagemagicksourcebuster8:6.9.10.23+dfsg-2.1+deb10u2DLA-3357-1
imagemagicksource(unstable)8:6.9.11.24+dfsg-1

Notes

https://github.com/ImageMagick/ImageMagick/issues/1730
ImageMagick: https://github.com/ImageMagick/ImageMagick/commit/a4c89f2a61069ad7637bc7749cc1a839de442526
ImageMagick6: https://github.com/ImageMagick/ImageMagick6/commit/4321934be544bc2888c6799fd6b50d8188a3d832

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