CVE-2026-86421

Summary

ImageMagick before 7.1.2-30 and 6.9.13-55 contains a memory leak in the MSL image decoder. A crafted MSL image triggers memory allocation without proper deallocation, allowing an attacker to exhaust memory and cause a denial of service.

Affected Software

VendorProductVersion RangeStatus
ImageMagickImageMagick0 < 7.1.2-30affected
ImageMagickImageMagick7.1.2-30unaffected
ImageMagickImageMagick0 < 6.9.13-55affected
ImageMagickImageMagick6.9.13-55unaffected

Weaknesses

  • CWE-400: Uncontrolled Resource Consumption

References