{"id":"ghsa-ghsa-jr96-gvgh-j3r4","seq":661324,"kind":"advisory","title":"pypdf: Possible long runtimes for repeated malformed cross-reference entries (Follow-up)","url":"https://github.com/advisories/GHSA-jr96-gvgh-j3r4","permalink":"https://vulnpulse.app/items/ghsa-ghsa-jr96-gvgh-j3r4","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 cross-reference streams with repeated malformed cross-reference streams. 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). Notes This is a follow-up to https://github.com/py-pdf/pypdf/security/advisories/GHSA-55h5-xmcq-…","severity":"high","techs":["python"],"cves":["CVE-2026-115585"],"tags":["GHSA-jr96-gvgh-j3r4","pypdf"],"source":{"id":"ghsa","name":"GitHub Advisory Database"},"published_at":"2026-10-23T20:54:27.000Z","fetched_at":"2026-10-24T04:50:51.468Z"}