CVE-2026-27799
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 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. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
| Software | From | Fixed in |
|---|---|---|
| imagemagick / imagemagick | - | 6.9.13-40 |
| imagemagick / imagemagick | 7.0.0-0 | 7.1.2-15 |
| dlemstra / magick.net | - | 14.10.3 |
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