CVE-2026-56362
2.1
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Summary
ImageMagick before 7.1.2-15 contains a heap-buffer-overflow read vulnerability in GetPixelIndex caused by OpenPixelCache updating image channel metadata before pixel cache memory allocation. Attackers can trigger memory and disk allocation failures to cause a heap-buffer-overflow read affecting any writer calling GetPixelIndex.
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-125: Out-of-bounds Read
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-gq5v-qf8q-fp77
- https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-read-in-getpixelindex-via-openpixelcache-metadata-desynchronization
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