ImageMagick <7.1.2-26 memory overalloc in matrix ops (-canny)
CVE-2026-61465 Published on July 11, 2026
ImageMagick before 7.1.2-26 Memory Allocation Policy Bypass
ImageMagick before 7.1.2-26 and 6.9.13-51 is missing a check for the allowed memory allocation limit in matrix-backed operations such as -canny. An attacker can supply a crafted image that causes ImageMagick to allocate more memory than permitted by the configured policy, resulting in a denial of service.
Vulnerability Analysis
CVE-2026-61465 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2026-61465
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Affected Versions
ImageMagick:- Before 7.1.2-26 is affected.
- Version 7.1.2-26 is unaffected.
- Before 6.9.13-51 is affected.
- Version 6.9.13-51 is unaffected.