CVE-2025-55298 ImageMagick Format String Bug in InterpretImageFilename leads to arbitrary code execution

High 7.5 Published Updated

A format string bug in ImageMagick allows attackers to overwrite memory and execute arbitrary code via crafted image filenames.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-55298?

CVE-2025-55298 is a high-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 26 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to ImageMagick versions 6.9.13-28 and 7.1.2-2, a format string bug vulnerability exists in InterpretImageFilename function where user input is directly passed to FormatLocaleString without proper sanitization. An attacker can overwrite arbitrary memory regions, enabling a wide range of attacks from heap overflow to remote code execution. This issue has been patched in versions 6.9.13-28 and 7.1.2-2.

Weakness: CWE-134, CWE-123

Which versions are affected by CVE-2025-55298?

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.

PackageAffectedFixed in
Magick.NET-Q16-AnyCPU NuGetAll versions14.8.1
Magick.NET-Q16-AnyCPU NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-AnyCPU NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-AnyCPU NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGetAll versions14.8.1
30 more packages
Magick.NET-Q16-HDRI-OpenMP-x64 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-OpenMP-x64 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-arm64 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-arm64 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-x64 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-x64 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-x86 NuGetAll versions14.8.1
Magick.NET-Q16-HDRI-x86 NuGetAll versions14.8.1
Magick.NET-Q16-OpenMP-arm64 NuGetAll versions14.8.1
Magick.NET-Q16-OpenMP-arm64 NuGetAll versions14.8.1
Magick.NET-Q16-OpenMP-x64 NuGetAll versions14.8.1
Magick.NET-Q16-OpenMP-x64 NuGetAll versions14.8.1
Magick.NET-Q16-arm64 NuGetAll versions14.8.1
Magick.NET-Q16-arm64 NuGetAll versions14.8.1
Magick.NET-Q16-x64 NuGetAll versions14.8.1
Magick.NET-Q16-x64 NuGetAll versions14.8.1
Magick.NET-Q16-x86 NuGetAll versions14.8.1
Magick.NET-Q16-x86 NuGetAll versions14.8.1
Magick.NET-Q8-AnyCPU NuGetAll versions14.8.1
Magick.NET-Q8-AnyCPU NuGetAll versions14.8.1
Magick.NET-Q8-OpenMP-arm64 NuGetAll versions14.8.1
Magick.NET-Q8-OpenMP-arm64 NuGetAll versions14.8.1
Magick.NET-Q8-OpenMP-x64 NuGetAll versions14.8.1
Magick.NET-Q8-OpenMP-x64 NuGetAll versions14.8.1
Magick.NET-Q8-arm64 NuGetAll versions14.8.1
Magick.NET-Q8-arm64 NuGetAll versions14.8.1
Magick.NET-Q8-x64 NuGetAll versions14.8.1
Magick.NET-Q8-x64 NuGetAll versions14.8.1
Magick.NET-Q8-x86 NuGetAll versions14.8.1
Magick.NET-Q8-x86 NuGetAll versions14.8.1

Products include Imagemagick Imagemagick.

How do I fix CVE-2025-55298?

Upgrade Magick.NET-Q16-AnyCPU to 14.8.1 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-55298 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-55298 exists.

All Imagemagick Imagemagick vulnerabilities

Sources

Also known as CLSA-2025-1759782690, DEBIAN-CVE-2025-55298, GHSA-9ccg-6pjw-x645, JLSEC-2026-924, MINI-h8q3-m759-mrgx, OESA-2025-2195 and 1 more.

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