Duplicate Advisory: ImageMagick has a possible heap Use After Free vulnerability in its meta coder

GHSA-8g9f-ccmr-vfvg

Published Jun 23, 2026 · Modified Sep 24, 2026

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Description

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-2gq3-ww97-wfjm. This link is maintained to preserve external references.

Original Description

ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.

References

WEB https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjm
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-56376
WEB https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coder

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