# CVE-2026-56362: imagemagick: ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCa...

CVE-2026-56362 is fixed in 13 products on 1 platform, first by DEBIAN-CVE-2026-56362, released July 18, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-56362
- Priority: Routine
- CVSS: 4.2 (medium)
- EPSS: 0.0019
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 8, 2026

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ImageMagick amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick opensuse-leap 16.0 | 7.1.2.0-160000.12.1 | [OPENSUSE-SU-2026:21391-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21391-1.md) | Jul 20, 2026 |
| Linux | ImageMagick sles 15.6 | 7.1.1.21-150600.3.80.2 | [SUSE-SU-2026:3219-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3219-1.md) | Jul 23, 2026 |
| Linux | ImageMagick sles 15.7 | 7.1.1.43-150700.3.70.1 | [SUSE-SU-2026:3194-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3194-1.md) | Jul 22, 2026 |
| Linux | ImageMagick sles 16.0 | 7.1.2.0-160000.12.1 | [SUSE-SU-2026:22829-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22829-1.md) | Jul 20, 2026 |
| Linux | ImageMagick-c++ amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-c++-debuginfo amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-c++-devel amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-debuginfo amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-debugsource amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-devel amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-doc amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-libs amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-libs-debuginfo amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-perl amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | ImageMagick-perl-debuginfo amzn 2023 | 1:6.9.13.54-1.amzn2023 | [ALAS2023-2026-3115](https://patchblox.com/security/data/fix/linux/alas2023-2026-3115.md) | Sep 28, 2026 |
| Linux | imagemagick Debian 12.15 (bookworm) | 8:6.9.11.60+dfsg-1.6+deb12u8 | [DEBIAN-CVE-2026-56362](https://patchblox.com/security/data/fix/linux/debian-cve-2026-56362.md) | Jul 18, 2026 |
| Linux | imagemagick Debian 13.5 (trixie) | 8:7.1.1.43+dfsg1-1+deb13u12 | [DEBIAN-CVE-2026-56362](https://patchblox.com/security/data/fix/linux/debian-cve-2026-56362.md) | Jul 18, 2026 |
| Linux | imagemagick Debian 14 | 8:7.1.2.15+dfsg1-1 | [DEBIAN-CVE-2026-56362](https://patchblox.com/security/data/fix/linux/debian-cve-2026-56362.md) | Jul 18, 2026 |

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Data as of 2026-11-08T13:06:02Z 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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