pypdf: Unvalidated JPEG image data loading

影響: pip:pypdf < 6.21.1 → 6.21.1

An attacker who uses this vulnerability can craft a PDF which leads to arbitrary image parsers being called. This requires loading an image which claims to use the /DCTDecode filter (JPEG data). Users which do not have the optional Pillow dependency installed in their environment are not affected. Patches This has been fixed in [pypdf==6.21.1](https://github.com/py-pdf/pypdf/releases/tag/6.21.1). Workarounds If you cannot upgrade yet, consider applying the changes from PR [#4222](https:/…

GitHub Advisory Databaseで読む

2026/10/22 04:58、GitHub Advisory Databaseが「pypdf: Unvalidated JPEG image data loading」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「注意」(low) です。関連する技術: Python、GitHub。CVE: CVE-2026-113786。