CVE-2025-55154 ImageMagick: integer overflows in MNG magnification

What is CVE-2025-55154?

CVE-2025-55154 is a high-severity vulnerability in Imagemagick Imagemagick, published on 13 Aug 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-27 and 7.1.2-1, the magnified size calculations in ReadOneMNGIMage (in coders/png.c) are unsafe and can overflow, leading to memory corruption. This issue has been patched in versions 6.9.13-27 and 7.1.2-1.

Weakness: CWE-190

Which versions are affected by CVE-2025-55154?

36 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-2025-55154?

Upgrade Magick.NET-Q16-AnyCPU to 14.8.0 or later.

Is CVE-2025-55154 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55154 exists.

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 CLSA-2025-1759331689, CLSA-2025-1759856673, DEBIAN-CVE-2025-55154, ECHO-cad7-f2e3-f7a4, GHSA-qp29-wxp5-wh82, JLSEC-2026-921 and 7 more.