# CVE-2026-56374: imagemagick: ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the FTXT encoder due to missing boundary...

CVE-2026-56374 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-56374, released July 9, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-56374
- Priority: High
- CVSS: 7.1 (high)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 8, 2026

## Description

ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the FTXT encoder due to missing boundary checks when parsing ftxt:format. Remote attackers can trigger an out of bounds read by crafting malicious FTXT image files to cause denial of service or information disclosure.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ImageMagick opensuse-leap 16.0 | 7.1.2.0-160000.11.1 | [OPENSUSE-SU-2026:21291-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21291-1.md) | Jul 10, 2026 |
| Linux | ImageMagick sles 15.6 | 7.1.1.21-150600.3.73.1 | [SUSE-SU-2026:3023-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3023-1.md) | Jul 15, 2026 |
| Linux | ImageMagick sles 15.7 | 7.1.1.43-150700.3.65.1 | [SUSE-SU-2026:2877-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2877-1.md) | Jul 13, 2026 |
| Linux | ImageMagick sles 16.0 | 7.1.2.0-160000.11.1 | [SUSE-SU-2026:22620-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22620-1.md) | Jul 10, 2026 |
| Linux | imagemagick Debian 13.5 (trixie) | 8:7.1.1.43+dfsg1-1+deb13u12 | [DEBIAN-CVE-2026-56374](https://patchblox.com/security/data/fix/linux/debian-cve-2026-56374.md) | Jul 9, 2026 |
| Linux | imagemagick Debian 14 | 8:7.1.2.19+dfsg1-1 | [DEBIAN-CVE-2026-56374](https://patchblox.com/security/data/fix/linux/debian-cve-2026-56374.md) | Jul 9, 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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