Pillow: Image.quantize() with empty palette leaks uninitialized stack memory

影響: pip:Pillow >= 9.1.0, < 13.0.0 → 13.0.0

============================================================================ Image.quantize() with empty palette leaks uninitialized stack memory Location: src/libImaging/Palette.c:216 in ImagingPaletteCacheUpdate() Commit: a707c6b21c313880d0771e54965d142dd42358b6 ============================================================================ When an application lets a user supply the palette image for Pillow's Image.quantize(palette=...), the user can get back 512 bytes of the server process's st…

GitHub Advisory Databaseで読む

2026/10/22 05:44、GitHub Advisory Databaseが「Pillow: Image.quantize() with empty palette leaks uninitialized stack memory」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「警告」(medium) です。関連する技術: Python。CVE: CVE-2026-112898。