| Name | CVE-2026-56373 |
| Description | ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing malicious PDB files to cause crashes or write a single zero byte to freed memory. |
| 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) |
| References | DLA-4680-1 |
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+deb11u16 | fixed |
| bookworm | 8:6.9.11.60+dfsg-1.6+deb12u11 | vulnerable |
| bookworm (security) | 8:6.9.11.60+dfsg-1.6+deb12u13 | fixed |
| trixie | 8:7.1.1.43+dfsg1-1+deb13u10 | vulnerable |
| trixie (security) | 8:7.1.1.43+dfsg1-1+deb13u11 | vulnerable |
| forky, sid | 8:7.1.2.27+dfsg1-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[trixie] - imagemagick <no-dsa> (Minor issue)
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-3j4x-rwrx-xxj9
Fixed by: https://github.com/ImageMagick/ImageMagick/commit/168ffe18def968f886c023146a478897866fd621 (7.1.2-14)
Fixed by: https://github.com/ImageMagick/ImageMagick6/commit/06a0867c1f5076b85577b6b1cf87af901f6d6a84 (6.9.13-39)