{"action":"Upgrade pypdf to 6.20.1 or later.","affected":[{"fixed":"6.20.1","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-113793"],"ecosystem":"PyPI","exploited":false,"fixed_versions":["6.20.1"],"ghsa_id":"GHSA-9mx8-4j7g-633p","id":"tcs_01M5JKSXQ7KE41NGKQSKVJXAGK","modified_at":"2026-10-21T17:00:06.245541968Z","published_at":"2026-10-21T16:55:10Z","references":["https://osv.dev/vulnerability/GHSA-9mx8-4j7g-633p","https://github.com/py-pdf/pypdf/security/advisories/GHSA-9mx8-4j7g-633p","https://github.com/py-pdf/pypdf/pull/4188","https://github.com/py-pdf/pypdf/commit/c9c35b4471c2eb5fe078094f6c816e69d4ed25a0","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.20.1"],"severity":{"label":"medium","score":6},"sources":[{"source":"osv","source_id":"GHSA-9mx8-4j7g-633p","url":"https://osv.dev/vulnerability/GHSA-9mx8-4j7g-633p"},{"source":"nvd","source_id":"CVE-2026-113793","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113793"}],"summary":"pypdf: Possible infinite loop when removing tree items"}