高危
漏洞预警
CVSS 7.1
CVE-2026-119205：pypdf is a free and open-source pure-python PDF library. Prior to 6.21
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.4, pypdf can enter an infinite loop when cloning or duplicating a crafted cyclic DictionaryObject. Clone traversal checked generated destination refe…