CVE-2026-24485 ImageMagick: Infinite loop vulnerability when parsing a PCD file

What is CVE-2026-24485?

CVE-2026-24485 is a high-severity denial of service vulnerability in Imagemagick Imagemagick, published on 24 Feb 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 7.1.2-15 and 6.9.13-40, when a PCD file does not contain a valid Sync marker, the DecodeImage() function becomes trapped in an infinite loop while searching for the Sync marker, causing the program to become unresponsive and continuously consume CPU resources, ultimately leading to system resource exhaustion and denial of service. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

Weakness: CWE-400

Which versions are affected by CVE-2026-24485?

38 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 2 products.

Products include Dlemstra Magick.net, Imagemagick Imagemagick.

How do I fix CVE-2026-24485?

Upgrade Magick.NET-Q16-AnyCPU to 14.10.3 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-24485 being exploited?

There is no known exploitation of CVE-2026-24485 in the wild and no public exploit code.

Other vulnerabilities in Imagemagick Imagemagick

• CVE-2026-23952 ImageMagick has a NULL pointer dereference in MSL parser via <comment> tag before image load Medium 6.5
• CVE-2026-24484 ImageMagick: Converting multi-layer nested MVG to SVG can cause DoS Medium 5.3
• CVE-2026-25637 ImageMagick: Possible memory leak in ASHLAR encoder Medium 5.3
• CVE-2026-25576 ImageMagick: Out of bounds read in multiple coders read raw pixel data Medium 5.1
• CVE-2026-27798 ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images Medium 4.0

All Imagemagick Imagemagick vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2026-24485, ECHO-8502-3f7f-e2b6, GHSA-pqgj-2p96-rx85, JLSEC-2026-940, MINI-h2wj-cqw4-52fm, UBUNTU-CVE-2026-24485.