CVE-2025-55298: imagemagick Write-what-where Condition

Vulnerability summary

CVE-2025-55298 is a high (CVSS 8.8) Write-what-where Condition vulnerability in imagemagick. EPSS estimates a 4.65% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 26-08-2025
   PublishedVulnerability first disclosed.
2. 03-11-2025
   Last modifiedVulnerability information updated.

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to ImageMagick versions 6.9.13-28 and 7.1.2-2, a format string bug vulnerability exists in InterpretImageFilename function where user input is directly passed to FormatLocaleString without proper sanitization. An attacker can overwrite arbitrary memory regions, enabling a wide range of attacks from heap overflow to remote code execution. This issue has been patched in versions 6.9.13-28 and 7.1.2-2.

• CWE-123Write-what-where ConditionAny condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow.
• CWE-134Use of Externally-Controlled Format StringThe product uses a function that accepts a format string as an argument, but the format string originates from an external source.