| Name | CVE-2026-56378 |
| Description | ImageMagick before 7.1.2-15 (and 6.x before 6.9.13-40) contains a heap out-of-bounds read in the PCD coder's DecodeImage loop. A crafted PCD file can trigger a one-byte heap out-of-bounds read during image decoding, resulting in denial of service and potential disclosure of an adjacent heap byte. |
| 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) |
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+deb11u13 | vulnerable | |
| bookworm | 8:6.9.11.60+dfsg-1.6+deb12u9 | vulnerable | |
| bookworm (security) | 8:6.9.11.60+dfsg-1.6+deb12u10 | vulnerable | |
| trixie | 8:7.1.1.43+dfsg1-1+deb13u8 | vulnerable | |
| trixie (security) | 8:7.1.1.43+dfsg1-1+deb13u10 | vulnerable | |
| forky | 8:7.1.2.24+dfsg1-1 | fixed | |
| 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) | 8:7.1.2.15+dfsg1-1 |
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wgxp-q8xq-wpp9
Fixed by: https://github.com/ImageMagick/ImageMagick/commit/436e5d2589e3c0adc10d9aa189e81d5d088d8207 (7.1.2-14)