ImageMagick up to 6.9.13-47/7.1.2-22 Magick -distribute-cache Service heap-based overflow

Summaryinfo

A vulnerability was found in ImageMagick up to 6.9.13-47/7.1.2-22. It has been classified as critical. This impacts an unknown function of the component Magick -distribute-cache Service. This manipulation causes heap-based overflow. This vulnerability is handled as CVE-2026-46692. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in ImageMagick up to 6.9.13-47/7.1.2-22 and classified as problematic. Affected by this vulnerability is an unknown code block of the component Magick -distribute-cache Service. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is 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(). As an impact it is known to affect availability. The summary by CVE is:

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, an attacker who can connect to a magick -distribute-cache service can cause a heap buffer over-write in the server process. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-46692 since 05/15/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 6.9.13-48 or 7.1.2-23 eliminates this vulnerability.

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Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 6.9.13-47
• 7.1.2-22

License

• open-source

Website

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

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