CVE-2021-3962

Name	CVE-2021-3962
Description	A flaw was found in ImageMagick where it did not properly sanitize certain input before using it to invoke convert processes. This flaw allows an attacker to create a specially crafted image that leads to a use-after-free vulnerability when processed by ImageMagick. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Source	CVE (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 Package	Release	Version	Status
imagemagick (PTS)	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	8:7.1.1.43+dfsg1-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
imagemagick	source	(unstable)	(not affected)

Notes

- imagemagick <not-affected> (Specific to 7.x)
https://github.com/ImageMagick/ImageMagick/issues/4446
https://github.com/ImageMagick/ImageMagick/commit/82775af03bbb10a0a1d0e15c0156c75673b4525e