# CVE-2026-102635: imagemagick: ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's...

CVE-2026-102635 is fixed in imagemagick on 1 platform, first by DEBIAN-CVE-2026-102635, released October 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-102635
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0032
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 29, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | imagemagick Debian 12.15 (bookworm) | 8:6.9.11.60+dfsg-1.6+deb12u14 | [DEBIAN-CVE-2026-102635](https://patchblox.com/security/data/fix/linux/debian-cve-2026-102635.md) | Oct 27, 2026 |
| Linux | imagemagick Debian 13.5 (trixie) | 8:7.1.1.43+dfsg1-1+deb13u13 | [DEBIAN-CVE-2026-102635](https://patchblox.com/security/data/fix/linux/debian-cve-2026-102635.md) | Oct 27, 2026 |
| Linux | imagemagick Debian 14 | 8:7.1.2.33+dfsg1-1 | [DEBIAN-CVE-2026-102635](https://patchblox.com/security/data/fix/linux/debian-cve-2026-102635.md) | Oct 27, 2026 |

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Data as of 2026-11-10T07:50:38Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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