ImageMagick: Heap Buffer Over-read in WaveletDenoise when processing small images

Description

==3693336==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x511000001280 at pc 0x5602c8b0cc75 bp 0x7ffcb105d510 sp 0x7ffcb105d500
READ of size 4 at 0x511000001280 thread T0

References

• ImageMagick/ImageMagick security advisory · WEB
• nvd.nist.gov/vuln/detail/CVE-2026-27798 · ADVISORY
• ImageMagick/ImageMagick commit 0377e60 · WEB
• ImageMagick/ImageMagick · PACKAGE
• dlemstra/Magick.NET release 14.10.3 · WEB

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