JLSEC-2026-963 Critical 9.1
ImageMagick has a heap buffer over-read in its MAP image decoder
A heap buffer over-read vulnerability exists in the MAP image decoder when processing crafted MAP files, potentially leading to crashes or unintended memory disclosure during image decoding.
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==4070926==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x502000002b31 at pc 0x56517afbd910 bp 0x7ffc59e90000 sp 0x7ffc59e8fff0
READ of size 1 at 0x502000002b31 thread T0References
- https://github.com/ImageMagick/ImageMagick/commit/bbae0215e1b76830509fd20e6d37c0dd7e3e4c3a
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-42p5-62qq-mmh7
- https://github.com/advisories/GHSA-42p5-62qq-mmh7
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3
- https://nvd.nist.gov/vuln/detail/CVE-2026-25987