{"action":"Upgrade pypdf to 6.19.0 or later.","affected":[{"fixed":"6.19.0","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-103000"],"ecosystem":"PyPI","epss":0.00352,"exploited":false,"fixed_versions":["6.19.0"],"ghsa_id":"GHSA-w23x-9jrw-r45c","id":"tcs_01M5KHA9S7FDX7VBA0AH94HFJV","modified_at":"2026-10-01T17:45:15.991772026Z","published_at":"2026-10-01T16:44:33.671507Z","references":["https://osv.dev/vulnerability/PYSEC-2026-4160","https://github.com/py-pdf/pypdf/security/advisories/GHSA-w23x-9jrw-r45c","https://nvd.nist.gov/vuln/detail/CVE-2026-103000","https://github.com/py-pdf/pypdf/pull/4096","https://github.com/py-pdf/pypdf/commit/0d8b5a8832cde1ba308b5c27567b879b7b7eed4a","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.19.0","https://pypi.org/project/pypdf","https://github.com/advisories/GHSA-w23x-9jrw-r45c"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-4160","url":"https://osv.dev/vulnerability/PYSEC-2026-4160"},{"source":"nvd","source_id":"CVE-2026-103000","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103000"}],"summary":"pypdf: Possible large memory usage when retrieving alphabetical page labels"}