CVE-2026-28691: ImageMagick has uninitialized pointer dereference in JBIG decoder

March 12, 2026

An uninitialized pointer dereference vulnerability exists in the JBIG decoder due to a missing check.

References

github.com/ImageMagick/ImageMagick
github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wj8w-pjxf-9g4f
github.com/advisories/GHSA-wj8w-pjxf-9g4f
github.com/dlemstra/Magick.NET/releases/tag/14.10.4
nvd.nist.gov/vuln/detail/CVE-2026-28691

Code Behaviors & Features

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