{"action":"Upgrade pypdf to 6.14.0 or later.","affected":[{"fixed":"6.14.0","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-59937"],"ecosystem":"PyPI","epss":0.0062,"exploited":false,"fixed_versions":["6.14.0"],"ghsa_id":"GHSA-55h5-xmcq-c37v","id":"tcs_01M5KF021HRPDDN75G6Z0660W2","modified_at":"2026-09-10T03:50:12.272620075Z","published_at":"2026-07-23T15:07:33Z","references":["https://osv.dev/vulnerability/GHSA-55h5-xmcq-c37v","https://github.com/py-pdf/pypdf/security/advisories/GHSA-55h5-xmcq-c37v","https://nvd.nist.gov/vuln/detail/CVE-2026-59937","https://github.com/py-pdf/pypdf/pull/3887","https://github.com/py-pdf/pypdf/commit/b5fc5aa714f4b696fb9b1deaa35a9e4a4eb50dae","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.14.0"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-55h5-xmcq-c37v","url":"https://osv.dev/vulnerability/GHSA-55h5-xmcq-c37v"}],"summary":"pypdf: Possible long runtimes for repeated malformed cross-reference entries"}