CVE-2026-55595 ImageMagick: Infinite Loop in connected-components when providing invalid arguments

What is CVE-2026-55595?

CVE-2026-55595 is a medium-severity denial of service vulnerability in Imagemagick Imagemagick, published on 1 Jul 2026. It can only be exploited from the same machine or local network, 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 6.9.13-51 and 7.1.2-26, when providing invalid arguments to the connected-components option an infinite loop will occur. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

Weakness: CWE-835, CWE-400

Which versions are affected by CVE-2026-55595?

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-2026-55595?

Upgrade Magick.NET-Q16-AnyCPU to 14.15.0 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-2026-55595 being exploited?

There is no known exploitation of CVE-2026-55595 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-2026-55595, ECHO-fc41-fb45-b35d, GHSA-qhmf-7fc4-8q3h, JLSEC-2026-1039, MINI-jvr9-7xcv-9v39, UBUNTU-CVE-2026-55595.