CVE-2026-56362
CVE-2026-56362 · ImageMagick - Heap-buffer-overflow Read in GetPixelIndex via OpenPixelCache Metadata Desynchronization
This page contains facts from public vulnerability sources. Check the original advisory before updating.
ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.
CVSS 2.1 · Low · EPSS 0.2% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
imagemagick
- Versions
- ≥ 0, < 7.1.2-15: Affected (semver)
- 7.1.2-15: Not affected (semver)
Update to 7.1.2-15
imagemagick
- Versions
- ≥ 0, < 6.9.13-40: Affected (semver)
- 6.9.13-40: Not affected (semver)
Update to 6.9.13-40
imagemagick Debian:12
- Versions
- 8:6.9.11.60+dfsg-1.6
- 8:6.9.11.60+dfsg-1.6+deb12u1
- 8:6.9.11.60+dfsg-1.6+deb12u2
- 8:6.9.11.60+dfsg-1.6+deb12u3
- 8:6.9.11.60+dfsg-1.6+deb12u4
- 8:6.9.11.60+dfsg-1.6+deb12u5
- 8:6.9.11.60+dfsg-1.6+deb12u6
- 8:6.9.11.60+dfsg-1.6+deb12u7
- Affected ranges
- ECOSYSTEM: < 8:6.9.11.60+dfsg-1.6+deb12u8
Update to 8:6.9.11.60+dfsg-1.6+deb12u8
imagemagick Debian:13
- Versions
- 8:7.1.1.43+dfsg1-1
- 8:7.1.1.43+dfsg1-1+deb13u1
- 8:7.1.1.43+dfsg1-1+deb13u10
- 8:7.1.1.43+dfsg1-1+deb13u11
- 8:7.1.1.43+dfsg1-1+deb13u2
- 8:7.1.1.43+dfsg1-1+deb13u3
- 8:7.1.1.43+dfsg1-1+deb13u4
- 8:7.1.1.43+dfsg1-1+deb13u5
- 8:7.1.1.43+dfsg1-1+deb13u6
- 8:7.1.1.43+dfsg1-1+deb13u7
- 8:7.1.1.43+dfsg1-1+deb13u8
- 8:7.1.1.43+dfsg1-1+deb13u9
- Affected ranges
- ECOSYSTEM: < 8:7.1.1.43+dfsg1-1+deb13u12
Update to 8:7.1.1.43+dfsg1-1+deb13u12
imagemagick Debian:14
- Versions
- 8:7.1.1.43+dfsg1-1
- 8:7.1.1.46+dfsg1-1
- 8:7.1.1.47+dfsg1-1
- 8:7.1.1.47+dfsg1-2
- 8:7.1.2.1+dfsg1-1
- 8:7.1.2.12+dfsg1-1
- 8:7.1.2.13+dfsg1-1
- 8:7.1.2.3+dfsg1-1
- 8:7.1.2.7+dfsg1-1
- 8:7.1.2.8+dfsg1-1
- Affected ranges
- ECOSYSTEM: < 8:7.1.2.15+dfsg1-1
Update to 8:7.1.2.15+dfsg1-1
imagemagick Ubuntu:25.10
- Versions
- 8:7.1.1.43+dfsg1-1
- 8:7.1.1.43+dfsg1-1ubuntu1
- 8:7.1.1.43+dfsg1-1ubuntu2
- 8:7.1.2.3+dfsg1-1
- 8:7.1.2.3+dfsg1-1ubuntu0.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
imagemagick Ubuntu:26.10
- Versions
- 8:7.1.2.18+dfsg1-1
- 8:7.1.2.25+dfsg1-2
- 8:7.1.2.27+dfsg1-1
- 8:7.1.2.31+dfsg1-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
imagemagick Ubuntu:Pro:26.04:LTS
- Versions
- 8:7.1.2.3+dfsg1-1
- 8:7.1.2.8+dfsg1-1
- 8:7.1.2.12+dfsg1-1
- 8:7.1.2.13+dfsg1-1
- 8:7.1.2.15+dfsg1-1
- 8:7.1.2.16+dfsg1-1
- 8:7.1.2.18+dfsg1-1
- 8:7.1.2.18+dfsg1-1ubuntu0.1~esm1
- 8:7.1.2.18+dfsg1-1ubuntu0.1~esm2
- 8:7.1.2.18+dfsg1-1ubuntu0.1~esm3
- 8:7.1.2.18+dfsg1-1ubuntu0.1~esm4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published