| Name | CVE-2021-20311 |
| Description | A flaw was found in ImageMagick in versions before 7.0.11, where a division by zero in sRGBTransformImage() in the MagickCore/colorspace.c may trigger undefined behavior via a crafted image file that is submitted by an attacker 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) |
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 | vulnerable |
| bullseye (security) | 8:6.9.11.60+dfsg-1.3+deb11u5 | vulnerable | |
| bookworm | 8:6.9.11.60+dfsg-1.6+deb12u3 | vulnerable | |
| bookworm (security) | 8:6.9.11.60+dfsg-1.6+deb12u1 | vulnerable | |
| trixie | 8:7.1.1.43+dfsg1-1 | fixed | |
| sid | 8:7.1.1.47+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) | 8:6.9.12.98+dfsg1-2 | unimportant |
https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482 (7.0.11-2)
https://github.com/ImageMagick/ImageMagick6/commit/e53e24b078f7fa586f9cc910491b8910f5bdad2e (6.9.12-2)