| Name | CVE-2021-20312 |
| Description | A flaw was found in ImageMagick in versions 7.0.11, where an integer overflow in WriteTHUMBNAILImage of coders/thumbnail.c may trigger undefined behavior via a crafted image file that is submitted by an attacker and processed by an application using ImageMagick. The highest threat from this vulnerability is to 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) |
| References | DLA-2672-1, DLA-3429-1 |
| Debian Bugs | 1013282 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| imagemagick (PTS) | buster | 8:6.9.10.23+dfsg-2.1+deb10u1 | vulnerable |
| buster (security) | 8:6.9.10.23+dfsg-2.1+deb10u5 | fixed |
| bullseye (security), bullseye | 8:6.9.11.60+dfsg-1.3+deb11u1 | vulnerable |
| bookworm | 8:6.9.11.60+dfsg-1.6 | fixed |
| sid, trixie | 8:6.9.12.98+dfsg1-4 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - imagemagick <ignored> (Minor issue)
https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482
https://github.com/ImageMagick/ImageMagick6/commit/e53e24b078f7fa586f9cc910491b8910f5bdad2e