| Name | CVE-2026-56361 |
| Description | ImageMagick before 7.1.2-19 contains an off-by-one error in morphology validation allowing out-of-bounds heap buffer reads. Attackers can trigger heap buffer overflow by providing incorrect morphology parameters causing single pixel memory access violations. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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 | vulnerable |
| bullseye (security) | 8:6.9.11.60+dfsg-1.3+deb11u14 | vulnerable |
| bookworm | 8:6.9.11.60+dfsg-1.6+deb12u9 | vulnerable |
| bookworm (security) | 8:6.9.11.60+dfsg-1.6+deb12u11 | vulnerable |
| trixie | 8:7.1.1.43+dfsg1-1+deb13u8 | vulnerable |
| trixie (security) | 8:7.1.1.43+dfsg1-1+deb13u10 | vulnerable |
| forky, sid | 8:7.1.2.25+dfsg1-2 | 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) | 8:7.1.2.19+dfsg1-1 | | | |
Notes
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q8h3-jv9v-57qx
Fixed by: https://github.com/ImageMagick/ImageMagick/commit/a6bfb1bb7b4017ec52f5a957641d83ce29b63286 (7.1.2-19)
Fixed by: https://github.com/ImageMagick/ImageMagick6/commit/cb02de6a5b527edc51982408ad719d76c6699d78 (6.9.13-44)