CVE-2026-61864 ImageMagick before 7.1.2-26 Memory Leak in Log Colorspace
A memory leak in ImageMagick's log colorspace transformation can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-61864?
CVE-2026-61864 is a low-severity denial of service vulnerability in 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 6.9.13-51 contains a memory leak in color transformation to the log colorspace: when the operation fails, a small amount of memory is not released.
Weakness: CWE-401
Which versions are affected by CVE-2026-61864?
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.
| Package | Affected | Fixed in |
|---|---|---|
Magick.NET-Q16-AnyCPU NuGet | All versions | 14.15.0 |
Magick.NET-Q16-AnyCPU NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-AnyCPU NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-AnyCPU NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGet | All versions | 14.15.0 |
28 more packages
Magick.NET-Q16-HDRI-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-x86 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-HDRI-x86 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-OpenMP-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-OpenMP-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-OpenMP-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-OpenMP-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-x86 NuGet | All versions | 14.15.0 |
Magick.NET-Q16-x86 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-AnyCPU NuGet | All versions | 14.15.0 |
Magick.NET-Q8-AnyCPU NuGet | All versions | 14.15.0 |
Magick.NET-Q8-OpenMP-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-OpenMP-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-OpenMP-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-OpenMP-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-arm64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-x64 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-x86 NuGet | All versions | 14.15.0 |
Magick.NET-Q8-x86 NuGet | All versions | 14.15.0 |
How do I fix CVE-2026-61864?
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-2026-61864 being exploited?
There is no known exploitation of CVE-2026-61864 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-61864, ECHO-43f0-7767-34d1, GHSA-24c8-2q6j-8jw4, GHSA-7c7m-fpjw-gwcq, JLSEC-2026-1070, UBUNTU-CVE-2026-61864.