CVE-2026-116151 ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Memory Leak in JNG Encoder

Medium 6.3 Published Updated
Exploited in the wild
Not known
Fix
Available

What is CVE-2026-116151?

CVE-2026-116151 is a medium-severity vulnerability in ImageMagick, published on 25 Oct 2026.

Official description

ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contains a memory leak in the JNG encoder that fails to release allocated memory when processing a crafted image. Attackers can supply crafted images that are encoded to JNG to leak memory, potentially causing resource exhaustion and a limited denial of service.

Weakness: CWE-401

Which versions are affected by CVE-2026-116151?

How do I fix CVE-2026-116151?

Upgrade to a fixed version.

Is CVE-2026-116151 being exploited?

There is no known exploitation of CVE-2026-116151 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-116151, ECHO-f64a-5a96-dd9b, GHSA-gghq-4x95-r2h2, GHSA-v9q4-cm37-q2jm, UBUNTU-CVE-2026-116151.

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