CVE-2018-6405

NameCVE-2018-6405
DescriptionIn the ReadDCMImage function in coders/dcm.c in ImageMagick before 7.0.7-23, each redmap, greenmap, and bluemap variable can be overwritten by a new pointer. The previous pointer is lost, which leads to a memory leak. This allows remote attackers to cause a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

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, trixie8:7.1.1.39+dfsg1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
imagemagicksource(unstable)8:6.9.9.34+dfsg-3unimportant

Notes

https://github.com/ImageMagick/ImageMagick/issues/964
https://github.com/ImageMagick/ImageMagick/commit/1fbed78912c830ccd82eecdb8a1db4882abb8276
ImageMagick-6: https://github.com/ImageMagick/ImageMagick/commit/1fbed78912c830ccd82eecdb8a1db4882abb8276

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