ImageMagick has an integer overflow in despeckle operation causing a heap buffer overflow on 32-bit builds
An integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write. ``` ==1551685==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xea2fb818 at pc 0x56cbc42a bp 0xffc4ce48 sp 0xffc4ce38 WRITE of size 8 at 0xea2fb818 thread T0 ```
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-34238US | medium5.5 | — | ||
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, an integer overflow in the despeckle o… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/ImageMagick/ImageMagickPACKAGE
- https://github.com/ImageMagick/ImageMagick/commit/bcd8519c70ecd9ebbc180920f2cf97b267d1f440WEB
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19WEB
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-26qp-ffjh-2x4vWEB
- https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-34238ADVISORY
scry
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