CVE-2017-16546

Name	CVE-2017-16546
Description	The ReadWPGImage function in coders/wpg.c in ImageMagick 7.0.7-9 does not properly validate the colormap index in a WPG palette, which allows remote attackers to cause a denial of service (use of uninitialized data or invalid memory allocation) or possibly have unspecified other impact via a malformed WPG file.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-4040-1, DSA-4074-1
Debian Bugs	881392

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
imagemagick (PTS)	jessie, jessie (lts)	8:6.8.9.9-5+deb8u27	fixed
	stretch (security)	8:6.9.7.4+dfsg-11+deb9u14	fixed
	stretch (lts), stretch	8:6.9.7.4+dfsg-11+deb9u20	fixed
	buster, buster (lts)	8:6.9.10.23+dfsg-2.1+deb10u9	fixed
	buster (security)	8:6.9.10.23+dfsg-2.1+deb10u7	fixed
	bullseye	8:6.9.11.60+dfsg-1.3+deb11u4	fixed
	bullseye (security)	8:6.9.11.60+dfsg-1.3+deb11u3	fixed
	bookworm	8:6.9.11.60+dfsg-1.6+deb12u2	fixed
	bookworm (security)	8:6.9.11.60+dfsg-1.6+deb12u1	fixed
	sid, trixie	8:7.1.1.39+dfsg1-3	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
imagemagick	source	wheezy	(not affected)
imagemagick	source	jessie	8:6.8.9.9-5+deb8u11	DSA-4040-1
imagemagick	source	stretch	8:6.9.7.4+dfsg-11+deb9u4	DSA-4074-1
imagemagick	source	(unstable)	8:6.9.9.34+dfsg-3		881392

Notes

[wheezy] - imagemagick <not-affected> (Vulnerable code not present; PoC from GitHub issue results in memory allocation exception thrown at coders/wpg.c:1109 and valgrind does not report any issues)
https://github.com/ImageMagick/ImageMagick/commit/2130bf6f89ded32ef0c88a11694f107c52566c53
ImageMagick-6: https://github.com/ImageMagick/ImageMagick/commit/e04cf3e9524f50ca336253513d977224e083b816
https://github.com/ImageMagick/ImageMagick/issues/851