CVE-2026-25576 ImageMagick: Out of bounds read in multiple coders read raw pixel data
Attackers can trigger heap buffer over-reads in ImageMagick by processing crafted images with mismatched extract and size dimensions, potentially causing crashes or leaking memory.
- 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-2026-25576?
CVE-2026-25576 is a medium-severity memory corruption vulnerability in Imagemagick Imagemagick, published on 24 Feb 2026. It can only be exploited from the same machine or local network, 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, a heap buffer over-read vulnerability exists in multiple raw image format handles. The vulnerability occurs when processing images with -extract dimensions larger than -size dimensions, causing out-of-bounds memory reads from a heap-allocated buffer. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
Weakness: CWE-122
Which versions are affected by CVE-2026-25576?
32 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 2 products.
| Package | Affected | Fixed in |
|---|---|---|
Magick.NET-Q16-AnyCPU NuGet | All versions | 14.10.3 |
Magick.NET-Q16-AnyCPU NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-AnyCPU NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-AnyCPU NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-OpenMP-arm64 NuGet | All versions | 14.10.3 |
26 more packages
Magick.NET-Q16-HDRI-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-x86 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-HDRI-x86 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-OpenMP-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-OpenMP-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-OpenMP-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-OpenMP-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-OpenMP-x86 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-OpenMP-x86 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-x86 NuGet | All versions | 14.10.3 |
Magick.NET-Q16-x86 NuGet | All versions | 14.10.3 |
Magick.NET-Q8-AnyCPU NuGet | All versions | 14.10.3 |
Magick.NET-Q8-AnyCPU NuGet | All versions | 14.10.3 |
Magick.NET-Q8-OpenMP-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q8-OpenMP-arm64 NuGet | All versions | 14.10.3 |
Magick.NET-Q8-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q8-x64 NuGet | All versions | 14.10.3 |
Magick.NET-Q8-x86 NuGet | All versions | 14.10.3 |
Magick.NET-Q8-x86 NuGet | All versions | 14.10.3 |
Products include Dlemstra Magick.net, Imagemagick Imagemagick.
How do I fix CVE-2026-25576?
Upgrade Magick.NET-Q16-AnyCPU to 14.10.3 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-25576 being exploited?
There is no known exploitation of CVE-2026-25576 in the wild and no public exploit code.
Other vulnerabilities in Imagemagick Imagemagick
- CVE-2026-24485 ImageMagick: Infinite loop vulnerability when parsing a PCD file
- CVE-2026-23952 ImageMagick has a NULL pointer dereference in MSL parser via <comment> tag before image load
- CVE-2026-24484 ImageMagick: Converting multi-layer nested MVG to SVG can cause DoS
- CVE-2026-25637 ImageMagick: Possible memory leak in ASHLAR encoder
- CVE-2026-27798 ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
Sources
Also known as CLSA-2026-1778487863, CLSA-2026-1778487942, DEBIAN-CVE-2026-25576, ECHO-7194-1339-fd86, GHSA-jv4p-gjwq-9r2j, JLSEC-2026-941 and 2 more.