Unrated severityNVD Advisory· Published Jun 23, 2026· Updated Jun 23, 2026
ImageMagick - Heap Use-After-Free in Meta Coder
CVE-2026-56376
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <7.1.2-15 and <6.9.13-40
Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
2- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjmmitrevendor-advisory
- www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-codermitrethird-party-advisory
News mentions
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