CVE-2026-56376
6.3
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ImageMagick | ImageMagick | 0 < 7.1.2-15 | affected |
| ImageMagick | ImageMagick | 7.1.2-15 | unaffected |
| ImageMagick | ImageMagick | 0 < 6.9.13-40 | affected |
| ImageMagick | ImageMagick | 6.9.13-40 | unaffected |
Weaknesses
- CWE-416: Use After Free
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjm
- https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coder
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