Pillow: Quadratic GIF comment concatenation allows DoS in Image.open()

影響: pip:Pillow >= 5.4.0, < 13.0.0 → 13.0.0

============================================================================ Quadratic GIF comment concatenation allows DoS in Image.open() Location: src/PIL/GifImagePlugin.py:266 in GifImageFile._seek() Commit: a707c6b21c313880d0771e54965d142dd42358b6 ============================================================================ Opening a crafted GIF file with Image.open() takes time that grows with the square of the file's size, so anyone who can submit an image to a service that uses Pillow ca…

GitHub Advisory Databaseで読む

2026/10/22 05:42、GitHub Advisory Databaseが「Pillow: Quadratic GIF comment concatenation allows DoS in Image.open()」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-2026-112401。