{"action":"Upgrade pypdf to 6.7.1 or later.","affected":[{"fixed":"6.7.1","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-27024"],"ecosystem":"PyPI","epss":0.00191,"exploited":false,"fixed_versions":["6.7.1"],"ghsa_id":"GHSA-996q-pr4m-cvgq","id":"tcs_01M5KFAB32ZNA47Z2S5HEGTQBP","modified_at":"2026-09-10T03:50:34.616221084Z","published_at":"2026-02-18T22:40:49Z","references":["https://osv.dev/vulnerability/GHSA-996q-pr4m-cvgq","https://github.com/py-pdf/pypdf/security/advisories/GHSA-996q-pr4m-cvgq","https://nvd.nist.gov/vuln/detail/CVE-2026-27024","https://github.com/py-pdf/pypdf/pull/3645","https://github.com/py-pdf/pypdf/commit/bd2f6d052fe5941e85e37082c2a43453d48d1295","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.7.1"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-996q-pr4m-cvgq","url":"https://osv.dev/vulnerability/GHSA-996q-pr4m-cvgq"}],"summary":"pypdf has a possible infinite loop when processing TreeObject"}