CVE-2026-109268

Description

ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains a use after free vulnerability in the PDF writer when writing CMYK images with JPEG2000 compression. Attackers can supply a crafted CMYK image that, when written to PDF with JPEG2000 compression, causes freed memory to be reused, potentially crashing the process.

References

• https://github.com/ImageMagick/ImageMagick/commit/3285d692ebf200e9cbeff59d1ccc00caab99ad54
• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-j39j-wmxg-j8mv
• https://github.com/ImageMagick/ImageMagick6/commit/966e227a1a8b520ea1652e2eb3ca78b08d3206f5
• https://www.vulncheck.com/advisories/imagemagick-before-6.9.13-57-and-7-x-before-7.1.2-32-use-after-free-in-pdf-writer-via-jpeg2000