{"action":"Upgrade pypdf to 6.13.1 or later.","affected":[{"fixed":"6.13.1","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-54651"],"ecosystem":"PyPI","epss":0.00158,"exploited":false,"fixed_versions":["6.13.1"],"ghsa_id":"GHSA-g9xf-7f8q-9mcj","id":"tcs_01M5KFHB9ERCCF2P2CBCDY9MH0","modified_at":"2026-07-13T16:42:31.458290509Z","published_at":"2026-07-09T21:09:53Z","references":["https://osv.dev/vulnerability/GHSA-g9xf-7f8q-9mcj","https://github.com/py-pdf/pypdf/security/advisories/GHSA-g9xf-7f8q-9mcj","https://nvd.nist.gov/vuln/detail/CVE-2026-54651","https://github.com/py-pdf/pypdf/pull/3839","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.13.1"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-g9xf-7f8q-9mcj","url":"https://osv.dev/vulnerability/GHSA-g9xf-7f8q-9mcj"}],"summary":"pypdf: Possible infinite loop when processing threads/articles in writer"}