GHSA-qvxh-prvr-85w2: ImageMagick: Use-After-Free in FormatMagickCaption when memory allocation fails

July 24, 2026

When a memory allocation fails inside the FormatMagickCaption method a dangling pointer still points to the freed memory.

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qvxh-prvr-85w2
github.com/advisories/GHSA-qvxh-prvr-85w2
github.com/dlemstra/Magick.NET/releases/tag/14.15.0

Code Behaviors & Features

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