{"action":"Upgrade pypdf to 6.13.0 or later.","affected":[{"fixed":"6.13.0","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-54531"],"ecosystem":"PyPI","epss":0.00174,"exploited":false,"fixed_versions":["6.13.0"],"ghsa_id":"GHSA-m2v9-299j-rv96","id":"tcs_01M5KFPZ7QWH1K73DZ2B373KPS","modified_at":"2026-09-10T03:51:08.924739649Z","published_at":"2026-06-16T14:05:57Z","references":["https://osv.dev/vulnerability/GHSA-m2v9-299j-rv96","https://github.com/py-pdf/pypdf/security/advisories/GHSA-m2v9-299j-rv96","https://github.com/py-pdf/pypdf/pull/3830","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.13.0"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-m2v9-299j-rv96","url":"https://osv.dev/vulnerability/GHSA-m2v9-299j-rv96"}],"summary":"pypdf: Possible infinite loop when processing outlines/bookmarks in writer"}