{"action":"Upgrade pypdf to 6.21.0 or later.","affected":[{"fixed":"6.21.0","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-113790"],"ecosystem":"PyPI","exploited":false,"fixed_versions":["6.21.0"],"ghsa_id":"GHSA-f54x-cmq8-qg57","id":"tcs_01M5JMDF583RD1BDS40VWKFNWZ","modified_at":"2026-10-22T17:00:04.224392742Z","published_at":"2026-10-22T16:49:40Z","references":["https://osv.dev/vulnerability/GHSA-f54x-cmq8-qg57","https://github.com/py-pdf/pypdf/security/advisories/GHSA-f54x-cmq8-qg57","https://nvd.nist.gov/vuln/detail/CVE-2026-113790","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-f54x-cmq8-qg57","url":"https://osv.dev/vulnerability/GHSA-f54x-cmq8-qg57"},{"source":"nvd","source_id":"CVE-2026-113790","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113790"}],"summary":"pypdf: Possible large memory usage when parsing arrays and dictionaries"}