ImageMagick 7.1.2-18 ASHLAR Coder Mem Leak DoS
CVE-2026-56375 Published on July 15, 2026
ImageMagick - Memory Leak in ASHLAR Coder Action Failure
ImageMagick through 7.1.2-18 contains a memory leak vulnerability in the ASHLAR coder when an action fails. Attackers can trigger failed actions to exhaust memory resources and cause denial of service.
Vulnerability Analysis
CVE-2026-56375 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
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-2026-56375 has been classified to as a Memory Leak vulnerability or weakness.
Products Associated with CVE-2026-56375
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Affected Versions
ImageMagick:- Before and including 7.1.2-18 is affected.