| Name | CVE-2026-102635 |
| Description | ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information. |
| 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) |
| Debian Bugs | 1149974 |
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+deb13u12 | vulnerable | |
| trixie (security) | 8:7.1.1.43+dfsg1-1+deb13u11 | vulnerable | |
| forky | 8:7.1.2.31+dfsg1-1 | vulnerable | |
| sid | 8:7.1.2.33+dfsg1-1 | 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) | 8:7.1.2.33+dfsg1-1 | 1149974 |
[trixie] - imagemagick <no-dsa> (Minor issue)
[bookworm] - imagemagick <postponed> (Minor issue)
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc
Fixed by: https://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4 (7.1.2-32)
Revert: https://github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1ff4 (7.1.2-32)
Fixed by: https://github.com/ImageMagick/ImageMagick/commit/ba4723adf2f8a29bf9372ed2c837cf678d3c13f9 (7.1.2-32)
https://github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271adbe5 (6.9.13-57)