| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2672-1 |
| NVD severity | high |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| imagemagick (PTS) | stretch | 8:6.9.7.4+dfsg-11+deb9u8 | vulnerable |
| stretch (security) | 8:6.9.7.4+dfsg-11+deb9u13 | fixed | |
| buster, buster (security) | 8:6.9.10.23+dfsg-2.1+deb10u1 | vulnerable | |
| bullseye, sid | 8:6.9.11.60+dfsg-1.3 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| imagemagick | source | stretch | 8:6.9.7.4+dfsg-11+deb9u13 | DLA-2672-1 | ||
| imagemagick | source | (unstable) | (unfixed) |
[bullseye] - imagemagick <ignored> (Minor issue)
[buster] - imagemagick <ignored> (Minor issue)
https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482
https://github.com/ImageMagick/ImageMagick6/commit/e53e24b078f7fa586f9cc910491b8910f5bdad2e