{"action":"Upgrade pypdf to 6.0.0 or later.","affected":[{"fixed":"6.0.0","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2025-55197"],"ecosystem":"PyPI","epss":0.00477,"exploited":false,"fixed_versions":["6.0.0"],"ghsa_id":"GHSA-7hfw-26vp-jp8m","id":"tcs_01M5KGVYCVXKG2KGZX9EK3HHNA","modified_at":"2026-07-07T17:46:59.107811845Z","published_at":"2026-07-07T16:03:01.099738Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1830","https://github.com/py-pdf/pypdf/security/advisories/GHSA-7hfw-26vp-jp8m","https://nvd.nist.gov/vuln/detail/CVE-2025-55197","https://github.com/py-pdf/pypdf/issues/3429","https://github.com/py-pdf/pypdf/pull/3430","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/blob/0dd57738bbdcdb63f0fb43d8a6b3d222b6946595/pypdf/filters.py#L72-L143","https://github.com/py-pdf/pypdf/releases/tag/6.0.0","https://pypi.org/project/pypdf","https://github.com/advisories/GHSA-7hfw-26vp-jp8m"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-1830","url":"https://osv.dev/vulnerability/PYSEC-2026-1830"},{"source":"nvd","source_id":"CVE-2025-55197","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55197"}],"summary":"PyPDF's Manipulated FlateDecode streams can exhaust RAM"}