CVE-2026-32636 ImageMagick has a heap-buffer-overflow in NewXMLTree which could result in crash

What is CVE-2026-32636?

CVE-2026-32636 is a medium-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 18 Mar 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 7.1.2-17 and 6.9.13-42, the NewXMLTree method contains a bug that could result in a crash due to an out of write bounds of a single zero byte. Versions 7.1.2-17 and 6.9.13-42 fix the issue.

Weakness: CWE-787

Which versions are affected by CVE-2026-32636?

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-2026-32636?

Upgrade Magick.NET-Q16-AnyCPU to 14.11.0 or later.

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

Is CVE-2026-32636 being exploited?

There is no known exploitation of CVE-2026-32636 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 CLSA-2026-1776257014, CLSA-2026-1776257247, CLSA-2026-1776257772, CLSA-2026-1776414968, CLSA-2026-1776416477, CLSA-2026-1776438719 and 11 more.