| Name | CVE-2026-86421 |
| Description | ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service. |
| 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) | bookworm | 8:6.9.11.60+dfsg-1.6+deb12u11 | vulnerable |
| bookworm (security) | 8:6.9.11.60+dfsg-1.6+deb12u13 | vulnerable |
| trixie | 8:7.1.1.43+dfsg1-1+deb13u10 | vulnerable |
| trixie (security) | 8:7.1.1.43+dfsg1-1+deb13u11 | vulnerable |
| forky, sid | 8:7.1.2.29+dfsg2-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| imagemagick | source | (unstable) | (unfixed) | | | |
Notes
[trixie] - imagemagick <no-dsa> (Minor issue)
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4jv7-q6xw-6f4x
Fixed by: https://github.com/ImageMagick/ImageMagick/commit/c83153dfc128de8e7c538f879c532c7d36a75abb (7.1.2-30)
Fixed by: https://github.com/ImageMagick/ImageMagick6/commit/d56cab9f2253373e57c2e77809ab12abbbbdd680 (6.9.13-55)