{"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_01M5KF629SEEPHSND3DDYM727T","modified_at":"2026-09-10T03:50:26.651449913Z","published_at":"2025-08-13T19:51:24Z","references":["https://osv.dev/vulnerability/GHSA-7hfw-26vp-jp8m","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"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-7hfw-26vp-jp8m","url":"https://osv.dev/vulnerability/GHSA-7hfw-26vp-jp8m"}],"summary":"PyPDF's Manipulated FlateDecode streams can exhaust RAM"}