CVE-2026-61866: ImageMagick

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion.

Affected products

  • ImageMagick ImageMagick: before 7.1.2-26 (fixed in 7.1.2-26)

Published 2026-07-15. Last modified 2026-07-16.