ImageMagick up to 7.1.2-24 SF3 Encoder heap-based overflow

Summaryinfo

A vulnerability was found in ImageMagick up to 7.1.2-24. It has been rated as critical. This vulnerability affects unknown code of the component SF3 Encoder. The manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2026-53465. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ImageMagick up to 7.1.2-24. This issue affects an unknown function of the component SF3 Encoder. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is availability. The summary by CVE is:

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-25, a crafted multi-frame can result in a heap buffer over-write when encoding it with the SF3 encoder. This issue has been patched in version 7.1.2-25.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-53465 since 06/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 320688 (Linux Distros Unpatched Vulnerability : CVE-2026-53465), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.1.2-25 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (320688) and EUVD (EUVD-2026-36192). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 7.1.2-24

License

• open-source

Website

• Product: https://www.imagemagick.org/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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