CVE-2026-27798
ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
Summary
ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images
Original description
The description as published by the source.
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 occurs when processing an image with small dimension using the -wavelet-denoise operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-27798 imagemagick Fixed in: 8:6.9.11.60+dfsg-1.3+deb11u10
- Ubuntu UBUNTU-CVE-2026-27798 imagemagick Fixed in: 8:6.9.7.4+dfsg-16ubuntu6.15+esm13
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- web github.com