ImageMagick has a heap Buffer Over-read in its DJVU image format handler
A heap Buffer Over-read vulnerability exists in the DJVU image format handler. The vulnerability occurs due to integer truncation when calculating the stride (row size) for pixel buffer allocation. The stride calculation overflows a 32-bit signed integer, resulting in an out-of-bounds memory reads.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-27799US | medium4.4 | — | ||
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exist… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagickPACKAGE
- https://github.com/ImageMagick/ImageMagick/commit/e87695b3227978ad70b967b8d054baaf8ac2ccedWEB
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r99p-5442-q2x2WEB
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-27799ADVISORY
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