CVE-2020-27762

NameCVE-2020-27762
DescriptionA flaw was found in ImageMagick in coders/hdr.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of type `unsigned char`. 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 ImageMagick 7.0.8-68.
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-2602-1
NVD severitymedium

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
bookworm, sid, bullseye8:6.9.11.60+dfsg-1.3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksourcestretch8:6.9.7.4+dfsg-11+deb9u12DLA-2602-1
imagemagicksource(unstable)8:6.9.11.24+dfsg-1

Notes

[buster] - imagemagick <ignored> (Minor issue)
https://github.com/ImageMagick/ImageMagick/issues/1713
ImageMagick: https://github.com/ImageMagick/ImageMagick/commit/7db3fa20893d557259da6e99e111954de83d2495
ImageMagick6: https://github.com/ImageMagick/ImageMagick6/commit/3e10f7c3c9f0394dfd6ebd372bc34a172dabc8ff

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