{"id":"ghsa-ghsa-6c7f-9265-g8fw","seq":661323,"kind":"advisory","title":"pypdf: Possible long runtimes for repeated references to the same missing object","url":"https://github.com/advisories/GHSA-6c7f-9265-g8fw","permalink":"https://vulnpulse.app/items/ghsa-ghsa-6c7f-9265-g8fw","summary":"影響: pip:pypdf < 6.21.2 → 6.21.2\nAn attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires loading relevant parts of a file (like their pages) where the same, but non-existent indirect object is referenced multiple times. Patches This has been fixed in [pypdf==6.21.2](https://github.com/py-pdf/pypdf/releases/tag/6.21.2). Workarounds If you cannot upgrade yet, consider applying the changes from PR [#4240](https://github.com/py-pdf/pypdf/pull/4240).","severity":"high","techs":["python"],"cves":["CVE-2026-115572"],"tags":["GHSA-6c7f-9265-g8fw","pypdf"],"source":{"id":"ghsa","name":"GitHub Advisory Database"},"published_at":"2026-10-23T20:55:15.000Z","fetched_at":"2026-10-24T04:50:51.468Z"}