Description
In ImageMagick 7.0.7-37 Q16, SetGrayscaleImage in the quantize.c file allows attackers to cause a heap-based buffer over-read via a crafted file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | imagemagick | 8:6.9.10.2+dfsg-2 | — |
| Debian 13 | imagemagick | 8:6.9.10.2+dfsg-2 | — |
| Debian 12 | imagemagick | 8:6.9.10.2+dfsg-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | imagemagick | 8:6.9.7.4+dfsg-16ubuntu6.2 | USN-3681-1 |
| Ubuntu 16.04 LTS | imagemagick | 8:6.8.9.9-7ubuntu5.11 | USN-3681-1 |
| Ubuntu 14.04 LTS | imagemagick | 8:6.7.7.10-6ubuntu3.11 | USN-3681-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | ImageMagick | 7.0.7.34-3.9.1 | SUSE-SU-2018:2043-1 |
Advisories 2
- USN-3681-1 imagemagick vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2018:2043-1 Security update for ImageMagick SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-3681-1 vendor-advisory
- https://github.com/ImageMagick/ImageMagick/issues/1156