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…

在 GitHub Advisory Database 阅读

2026/10/22 05:44，GitHub Advisory Database 发布了“Pillow: Image.quantize() with empty palette leaks uninitialized stack memory”（类型：漏洞公告）。严重程度为“中危”（medium）。相关技术：Python。CVE：CVE-2026-112898。