CVE-2020-27758

NameCVE-2020-27758
DescriptionA flaw was found in ImageMagick in coders/txt.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 long long`. 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 7.0.8-68.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2602-1, DLA-3357-1, ELA-387-1

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+deb8u27fixed
stretch (security)8:6.9.7.4+dfsg-11+deb9u14fixed
stretch (lts), stretch8:6.9.7.4+dfsg-11+deb9u20fixed
buster, buster (lts)8:6.9.10.23+dfsg-2.1+deb10u9fixed
buster (security)8:6.9.10.23+dfsg-2.1+deb10u7fixed
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, trixie8:7.1.1.39+dfsg1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksourcejessie8:6.8.9.9-5+deb8u23ELA-387-1
imagemagicksourcestretch8:6.9.7.4+dfsg-11+deb9u12DLA-2602-1
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/1719
ImageMagick: https://github.com/ImageMagick/ImageMagick/commit/f0a8d407b2801174fd8923941a9e7822f7f9a506
ImageMagick6: https://github.com/ImageMagick/ImageMagick6/commit/e5e15b4456c825f78554e2ef1cc6344fa1218448
[jessie] - imagemagick <ignored> (Minor issue, UBSAN outside range warning)

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