{"action":"Upgrade pypdf2 to 2.10.6 or later.","affected":[{"fixed":"2.10.6","introduced":"2.10.5"}],"component":"pypdf2","cve_ids":["CVE-2023-36807"],"ecosystem":"PyPI","epss":0.00573,"exploited":false,"fixed_versions":["2.10.6"],"ghsa_id":"GHSA-hm9v-vj3r-r55m","id":"tcs_01M5KGVZC6W8FAKQSND6GVS1M4","modified_at":"2026-07-07T17:46:59.504076185Z","published_at":"2026-07-07T11:45:19.767457Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1836","https://github.com/py-pdf/pypdf/security/advisories/GHSA-hm9v-vj3r-r55m","https://nvd.nist.gov/vuln/detail/CVE-2023-36807","https://github.com/py-pdf/pypdf/issues/1329","https://github.com/py-pdf/pypdf/pull/1331","https://github.com/py-pdf/pypdf/commit/e6531a25325e7e0174b6a1ba03b57320b5227f6b","https://github.com/py-pdf/pypdf","https://pypi.org/project/pypdf2","https://github.com/advisories/GHSA-hm9v-vj3r-r55m"],"severity":{"label":"medium","score":6.2},"sources":[{"source":"osv","source_id":"PYSEC-2026-1836","url":"https://osv.dev/vulnerability/PYSEC-2026-1836"}],"summary":"PyPDF2 vulnerable to possible Infinite Loop when reading malformed objects"}