pypdf: Possible infinite loop in PdfWriter.find_outline_item

影響: pip:pypdf < 6.20.1 → 6.20.1

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires calling find_outline_item on a PdfWriter. Patches This has been fixed in [pypdf==6.20.1](https://github.com/py-pdf/pypdf/releases/tag/6.20.1). Workarounds If you cannot upgrade yet, consider applying the changes from PR [#4188](https://github.com/py-pdf/pypdf/pull/4188).

GitHub Advisory Database에서 읽기

2026. 10. 22. 오전 01:55, GitHub Advisory Database에서 "pypdf: Possible infinite loop in PdfWriter.find_outline_item"을(를) 게시했습니다 (유형: 취약점 권고). 심각도는 "보통"(medium)입니다. 관련 기술: Python, GitHub. CVE: CVE-2026-113792.