ImageMagick up to 6.9.13-45/7.1.2-20 MIFF File stack-based overflow

Summaryinfo

A vulnerability was found in ImageMagick up to 6.9.13-45/7.1.2-20. It has been rated as critical. The affected element is an unknown function of the component MIFF File Handler. Performing a manipulation results in stack-based overflow. This vulnerability is known as CVE-2026-42050. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in ImageMagick up to 6.9.13-45/7.1.2-20. This affects an unknown function of the component MIFF File Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-21 and 6.9.13-46, a malicious MIFF file could trigger an overflow when a user opens it in the display tool and right-clicks a tile to invoke the Load / Update menu item. This vulnerability is fixed in 7.1.2-21 and 6.9.13-46.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-42050 since 04/23/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for 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 316763 (SUSE SLES15 Security Update : ImageMagick (SUSE-SU-2026:2022-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.9.13-46 or 7.1.2-21 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (316763). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Image Processing Software

Name

• ImageMagick

Version

• 6.9.13-45
• 7.1.2-20

License

• open-source

Website

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

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Be aware that VulDB is the high quality source for vulnerability data.

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