CVE-2026-25798
ImageMagick has NULL Pointer Dereference in ClonePixelCacheRepository via crafted image
Impact
A NULL pointer dereference in ClonePixelCacheRepository allows a remote attacker to crash any application linked against ImageMagick by supplying a crafted image file, resulting in Denial of Service. ``` AddressSanitizer:DEADLYSIGNAL ================================================================= ==3704942==ERROR: AddressSanitizer: UNKNOWN SIGNAL on unknown address 0x000000000000 (pc 0x7f9d141239e0 bp 0x7ffd4c5711e0 sp 0x7ffd4c571148 T0) #0 0x7f9d141239e0 (/lib/x86_64-linux-gnu/libc.so.6+0xc49e0) #1 0x558a25e4f08d in ClonePixelCacheRepository._omp_fn.0 MagickCore/cache.c:784 #2 0x7f9d14c06a15 in GOMP_parallel (/lib/x86_64-linux-gnu/libgomp.so.1+0x14a15) #3 0x558a25e43151 in ClonePixelCacheRepository MagickCore/cache.c:753 #4 0x558a25e49a96 in OpenPixelCache MagickCore/cache.c:3849 #5 0x558a25e45117 in GetImagePixelCache MagickCore/cache.c:1829 #6 0x558a25e4dde3 in SyncImagePixelCache MagickCore/cache.c:5647 #7 0x558a256ba57d in SetImageExtent MagickCore/image.c:2713 ```
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Magick.NET-Q16-AnyCPU | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-AnyCPU | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-HDRI-x86 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-OpenMP-x86 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q16-x86 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-AnyCPU | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-OpenMP-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-OpenMP-x64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-arm64 | < 14.10.3 | 14.10.3 |
| nuget | Magick.NET-Q8-x86 | < 14.10.3 | 14.10.3 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Imagemagick | Imagemagick | before 6.9.13-40 from 7.0.0-0 before 7.1.2-15 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-p863-5fgm-rgq4
- https://github.com/advisories/GHSA-p863-5fgm-rgq4
- https://nvd.nist.gov/vuln/detail/CVE-2026-25798
- https://github.com/ImageMagick/ImageMagick/issues/8567
- https://github.com/ImageMagick/ImageMagick/commit/e046417675d5c26e5f48816851a406c121c77469
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3