CVE-2026-61863 ImageMagick before 7.1.2-26 Memory Leak in TIFF Encoder

What is CVE-2026-61863?

CVE-2026-61863 is a low-severity denial of service vulnerability in Imagemagick Imagemagick, published on 15 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ImageMagick before 7.1.2-26 (and 6.x before 6.9.13-51) contains a memory leak in the TIFF encoder that occurs when a temporary file cannot be created, resulting in a small memory leak.

Weakness: CWE-401

Which versions are affected by CVE-2026-61863?

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-2026-61863?

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-2026-61863 being exploited?

There is no known exploitation of CVE-2026-61863 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
• GitHub advisory
• How this page is made

Also known as CLSA-2026-1784645689, CLSA-2026-1784708243, CLSA-2026-1784898606, CLSA-2026-1784898695, CLSA-2026-1784898733, CLSA-2026-1784898786 and 7 more.