CVE-2026-25897 ImageMagick has heap overflow in sun decoder on 32-bit systems that can result in out of bounds write

What is CVE-2026-25897?

CVE-2026-25897 is a medium-severity 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, an Integer Overflow vulnerability exists in the sun decoder. On 32-bit systems/builds, a carefully crafted image can lead to an out of bounds heap write. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

Weakness: CWE-190, CWE-122

Which versions are affected by CVE-2026-25897?

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 1 product.

Products include Imagemagick Imagemagick.

How do I fix CVE-2026-25897?

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

Is CVE-2026-25897 being exploited?

There is no known exploitation of CVE-2026-25897 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-2026-25897, ECHO-da16-b843-729d, GHSA-6j5f-24fw-pqp4, JLSEC-2026-950, MINI-6wwx-7v2f-6g93, UBUNTU-CVE-2026-25897.