{"action":"Upgrade pypdf to 6.16.1 or later.","affected":[{"fixed":"6.16.1","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-84311"],"ecosystem":"PyPI","epss":0.00135,"exploited":false,"fixed_versions":["6.16.1"],"ghsa_id":"GHSA-763m-79hh-57f2","id":"tcs_01M5KF52TTS5BFHST3YGTP0D7S","modified_at":"2026-09-10T12:26:04.098858222Z","published_at":"2026-09-01T21:27:22Z","references":["https://osv.dev/vulnerability/GHSA-763m-79hh-57f2","https://github.com/py-pdf/pypdf/security/advisories/GHSA-763m-79hh-57f2","https://github.com/py-pdf/pypdf/pull/3966","https://github.com/py-pdf/pypdf/commit/d91ab705fd81ed1a9cec175c6958600dea1a4942","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.16.1"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-763m-79hh-57f2","url":"https://osv.dev/vulnerability/GHSA-763m-79hh-57f2"}],"summary":"pypdf: Possible long runtimes/large memory usage when extracting XForm objects"}