CVE-2026-53467: ImageMagick: Information Disclosure in MNG decoder because allocated memory is left unchanged

July 23, 2026

In the MNG decoder there is a possible heap information disclosure because part of the pixels are left unchanged.

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-8g53-9m3c-69xg
github.com/advisories/GHSA-8g53-9m3c-69xg
github.com/dlemstra/Magick.NET/releases/tag/14.15.0
nvd.nist.gov/vuln/detail/CVE-2026-53467

Code Behaviors & Features

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