CVE-2026-22770 ImageMagick vulnerable to Release of Invalid Pointer in BilateralBlur when memory allocation fails

What is CVE-2026-22770?

CVE-2026-22770 is a medium-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 20 Jan 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. The BilateralBlurImage method will allocate a set of double buffers inside AcquireBilateralTLS. But, in versions prior to 7.1.2-13, the last element in the set is not properly initialized. This will result in a release of an invalid pointer inside DestroyBilateralTLS when the memory allocation fails. Version 7.1.2-13 contains a patch for the issue.

Weakness: CWE-763

Which versions are affected by CVE-2026-22770?

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-2026-22770?

Upgrade Magick.NET-Q16-AnyCPU to 14.10.2 or later.

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

Is CVE-2026-22770 being exploited?

There is no known exploitation of CVE-2026-22770 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-2026-22770, ECHO-88c3-eba5-4d7b, GHSA-39h3-g67r-7g3c, JLSEC-2026-934, MINI-wq46-qg2q-cwpm, UBUNTU-CVE-2026-22770.