ImageMagick: Use-After-Free in FormatMagickCaption when memory allocation fails

Description

References

• ImageMagick/ImageMagick security advisory · WEB
• ImageMagick/ImageMagick · PACKAGE
• dlemstra/Magick.NET release 14.15.0 · WEB
• vulncheck.com/advisories/imagemagick-before-26-use-after-free-in-formatmagickcaption · Broken Link

More vulnerabilities in Magick.NET-Q16-AnyCPU

• CVE-2026-62946MEDIUM 4.7ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to both 6.9.13-52 and 7.1.2…
• CVE-2026-62363MEDIUM 5.0ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 7.1.2-27, a heap buffer …
• CVE-2026-62343MEDIUM 4.7ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 6.9.13-51 and 7.0.1-0 an…
• CVE-2026-66011LOW 3.3ImageMagick before 7.1.2-27 contains a memory leak vulnerability in the magick command-line interface when invalid options are provided. Att…
• GHSA-hc76-7mpc-qjqhMEDIUM 5.7ImageMagick: Code injection in HTML encoder due to incomplete fix of CVE-2026-25797