ImageMagick: Stack buffer overflow in FTXT reader via oversized integer field
### Summary A stack-based buffer overflow exists in the ImageMagick FTXT image reader. A crafted FTXT file can cause out-of-bounds writes on the stack, leading to a crash. ``` ================================================================= ==3537074==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffee4850ef0 at pc 0x5607c408fb33 bp 0x7ffee484fe50 sp 0x7ffee484fe40 WRITE of size 1 at 0x7ffee4850ef0 thread T0 ```
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-25967US | high7.5 | — | ||
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-15, a stack-based buffer overflow exists in the ImageMagick FT… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagickPACKAGE
- https://github.com/ImageMagick/ImageMagick/commit/9afe96cc325da1e4349fbd7418675af2f8708c10WEB
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-72hf-fj62-w6j4WEB
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-25967ADVISORY
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