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ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 7.1.2-0 and 6.9.13-26, in ImageMagick's `magick mogrify` command, specifying multiple consecutive `%d` format specifiers in a filename template causes internal pointer arithmetic to generate an address below the beginning of the stack buffer, resulting in a stack overflow through `vsnprintf()`. Versions 7.1.2-0 and 6.9.13-26 fix the issue.
Reserved 2025-06-25 | Published 2025-07-14 | Updated 2025-07-14 | Assigner GitHub_MCWE-124: Buffer Underwrite ('Buffer Underflow')
github.com/...Magick/security/advisories/GHSA-qh3h-j545-h8c9
github.com/...ommit/66dc8f51c11b0ae1f1cdeacd381c3e9a4de69774
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