{"schema":"threatline.record/2","record":{"id":"CVE-2026-115572","aliases":["GHSA-6c7f-9265-g8fw"],"summary":"pypdf: Possible long runtimes for repeated references to the same missing object","details":"### Impact\n\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.\n\n### Patches\n\nThis has been fixed in [pypdf==6.21.2](https://github.com/py-pdf/pypdf/releases/tag/6.21.2).\n\n### Workarounds\n\nIf you cannot upgrade yet, consider applying the changes from PR [#4240](https://github.com/py-pdf/pypdf/pull/4240).","categories":["Libraries & packages"],"product":"pypdf","vendor":"py-pdf","ecosystem":"pip","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-6c7f-9265-g8fw","source_modified_at":"2026-10-23T20:55:16Z","fetched_at":"2026-10-23T21:10:45.942435Z","package":{"ecosystem":"pip","name":"pypdf"},"range":"< 6.21.2"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-115572","source_modified_at":"2026-10-23T19:24:51.055Z","fetched_at":"2026-10-23T19:58:35.668311Z","product":"pypdf","vendor":"py-pdf","versions":[{"status":"affected","version":"< 6.21.2"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-6c7f-9265-g8fw","source_modified_at":"2026-10-23T21:00:06.235957799Z","fetched_at":"2026-10-23T21:10:45.942435Z","package":{"ecosystem":"PyPI","name":"pypdf","purl":"pkg:pypi/pypdf"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"6.21.2"}],"type":"ECOSYSTEM"}],"versions":["1.0","1.1","1.10","1.11","1.12","1.13","1.2","1.3","1.4","1.5","1.6","1.7","1.8","1.9","3.1.0","3.10.0","3.11.0","3.11.1","3.12.0","3.12.1","3.12.2","3.13.0","3.14.0","3.15.0","3.15.1","3.15.2","3.15.3","3.15.4","3.15.5","3.16.0","3.16.1","3.16.2","3.16.3","3.16.4","3.17.0","3.17.1","3.17.2","3.17.3","3.17.4","3.2.0","3.2.1","3.3.0","3.4.0","3.4.1","3.5.0","3.5.1","3.5.2","3.6.0","3.7.0","3.7.1"]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-6c7f-9265-g8fw","source_modified_at":"2026-10-23T20:55:16Z","fetched_at":"2026-10-23T21:10:45.942435Z","package":{"ecosystem":"pip","name":"pypdf"},"version":"6.21.2"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-6c7f-9265-g8fw","source_modified_at":"2026-10-23T21:00:06.235957799Z","fetched_at":"2026-10-23T21:10:45.942435Z","package":{"ecosystem":"PyPI","name":"pypdf","purl":"pkg:pypi/pypdf"},"version":"6.21.2"}],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00528,"percentile":0.43903,"score_date":"2026-10-24"},"published_at":"2026-10-23T19:24:51.055Z","modified_at":"2026-10-23T21:00:06.235957799Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-6c7f-9265-g8fw","fetched_at":"2026-10-23T21:10:45.942435Z","source_modified_at":"2026-10-23T20:55:16Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-115572","fetched_at":"2026-10-23T19:58:35.668311Z","source_modified_at":"2026-10-23T19:24:51.055Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-6c7f-9265-g8fw","fetched_at":"2026-10-23T21:10:45.942435Z","source_modified_at":"2026-10-23T21:00:06.235957799Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-115572","fetched_at":"2026-10-24T18:03:20.872036Z","source_modified_at":"2026-10-24"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-6c7f-9265-g8fw","tags":["x_refsource_CONFIRM"]},{"source":"CVE List","url":"https://github.com/py-pdf/pypdf/pull/4240","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/py-pdf/pypdf/commit/68a0e5046cc9e14a6c24a21a713f3c7fbde18b4b","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/py-pdf/pypdf/releases/tag/6.21.2","tags":["x_refsource_MISC"]},{"url":"https://github.com/advisories/GHSA-6c7f-9265-g8fw","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T21:00:06.235957799Z","content_hash":"77ff15ded1f87d7c3edc7e46bdb23d616c2463eb9d391446dcb6d8ba0e04e051"}}