ImageMagick 7.1.2-13 Memory Leak in LoadOpenCLDeviceBenchmark()
CVE-2026-56364 Published on June 30, 2026
ImageMagick - Memory Leak in LoadOpenCLDeviceBenchmark() via Malformed XML
ImageMagick before 7.1.2-13 contains a memory leak vulnerability in LoadOpenCLDeviceBenchmark() function when parsing malformed OpenCL device profile XML files with unclosed device elements. Attackers with write access to the OpenCL cache directory can place malicious XML files to exhaust memory and cause denial of service.
Vulnerability Analysis
CVE-2026-56364 is exploitable with local system access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-56364. 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
What is a Memory Leak Vulnerability?
The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is often triggered by improper handling of malformed data or unexpectedly interrupted sessions. In some languages, developers are responsible for tracking memory allocation and releasing the memory. If there are no more pointers or references to the memory, then it can no longer be tracked and identified for release.
CVE-2026-56364 has been classified to as a Memory Leak vulnerability or weakness.
Products Associated with CVE-2026-56364
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Affected Versions
ImageMagick:- Before 7.1.2-13 is affected.
- Version 7.1.2-13 is unaffected.