{"action":"Upgrade pypdf to 6.21.0 or later.","affected":[{"fixed":"6.21.0","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-113791"],"ecosystem":"PyPI","exploited":false,"fixed_versions":["6.21.0"],"ghsa_id":"GHSA-cgf9-327m-v77c","id":"tcs_01M5JMDEFPBE6WCCZ77C9GS34M","modified_at":"2026-10-22T17:00:04.215115256Z","published_at":"2026-10-22T16:49:22Z","references":["https://osv.dev/vulnerability/GHSA-cgf9-327m-v77c","https://github.com/py-pdf/pypdf/security/advisories/GHSA-cgf9-327m-v77c","https://nvd.nist.gov/vuln/detail/CVE-2026-113791","https://github.com/py-pdf/pypdf/pull/4218","https://github.com/py-pdf/pypdf/commit/18bd2981a74479483a0b9507602c58a63d6c9b12","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.21.0"],"severity":{"label":"medium","score":6},"sources":[{"source":"osv","source_id":"GHSA-cgf9-327m-v77c","url":"https://osv.dev/vulnerability/GHSA-cgf9-327m-v77c"},{"source":"nvd","source_id":"CVE-2026-113791","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113791"}],"summary":"pypdf: Possible large memory usage when parsing content streams"}