CVE-2025-65955

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-9 and 6.9.13-34, there is a vulnerability in ImageMagick’s Magick++ layer that manifests when Options::fontFamily is invoked with an empty string. Clearing a font family calls RelinquishMagickMemory on _drawInfo->font, freeing the font string but leaving _drawInfo->font pointing to freed memory while _drawInfo->family is set to that (now-invalid) pointer. Any later cleanup or reuse of _drawInfo->font re-frees or dereferences dangling memory. DestroyDrawInfo and other setters (Options::font, Image::font) assume _drawInfo->font remains valid, so destruction or subsequent updates trigger crashes or heap corruption. This vulnerability is fixed in 7.1.2-9 and 6.9.13-34.

• CWE-415
• CWE-416

• https://github.com/ImageMagick/ImageMagick/commit/6409f34d637a34a1c643632aa849371ec8b3b5a8Patch
• https://github.com/ImageMagick/ImageMagick/commit/6f81eb15f822ad86e8255be75efad6f9762c32f8Patch
• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q3hc-j9x5-mp9mVendor Advisory

Published

Dec 2, 2025

Last Modified

Jun 23, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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