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

What is CVE-2026-53467?

CVE-2026-53467 is a medium-severity vulnerability in Imagemagick Imagemagick, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, the MNG decoder contains a possible heap information disclosure vulnerability because part of the pixels are left unchanged. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

Weakness: CWE-908, CWE-200

Which versions are affected by CVE-2026-53467?

34 open source packages ship an affected version, including Magick.NET-Q16-AnyCPU, Magick.NET-Q16-HDRI-AnyCPU and Magick.NET-Q16-HDRI-OpenMP-arm64. It affects 1 product.

Products include Imagemagick Imagemagick.

How do I fix CVE-2026-53467?

Upgrade Magick.NET-Q16-AnyCPU to 14.15.0 or later.

Is CVE-2026-53467 being exploited?

There is no known exploitation of CVE-2026-53467 in the wild and no public exploit code.

Other vulnerabilities in Imagemagick Imagemagick

• CVE-2019-19952 Use after free in n/a Critical 9.8
• CVE-2018-16328 Null dereference in n/a Critical 9.8
• CVE-2018-16329 Null dereference in n/a Critical 9.8
• CVE-2017-18210 Null dereference in n/a Critical 9.8
• CVE-2017-14138 Denial of service in n/a Critical 9.8

All Imagemagick Imagemagick vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2026-53467, ECHO-1ab4-0ce9-dab7, GHSA-8g53-9m3c-69xg, JLSEC-2026-1035, MINI-whmf-698r-phjf, UBUNTU-CVE-2026-53467.