CVE-2026-87795

zstd-jni versions before 1.5.7-14 contain an out-of-bounds read vulnerability in the ZstdDictCompress constructor. The library fails to validate offset and length parameters, allowing an attacker to supply untrusted values that cause reads of native heap memory into the compression dictionary. Th...

Pillow: Pillow: Native heap out-of-bounds write

A flaw was found in Pillow prior to 12.3.0. The public RankFilter API can trigger a native heap out-of-bounds write when given a very large odd filter size. ImageFilter.RankFilter.filter calls image.expandsize // 2, size // 2 before rank-filter size validation, and ImagingExpand computes output...

Pillow: Pillow: Native heap out-of-bounds write

A flaw was found in Pillow prior to 12.3.0. The public RankFilter API can trigger a native heap out-of-bounds write when given a very large odd filter size. ImageFilter.RankFilter.filter calls image.expandsize // 2, size // 2 before rank-filter size validation, and ImagingExpand computes output...

CVE-2026-59205

Pillow (Python imaging library) contains a vulnerability in ImageCmsTransform.apply(im, imOut): before version 12.3.0, supplying an output image whose mode does not match the transform’s declared output mode can trigger a controlled native heap corruption. Affected component is ImageCmsTransform....