{"action":"Upgrade pypdf to 3.9.0 or later.","affected":[{"fixed":"3.9.0","introduced":"3.1.0"}],"component":"pypdf","cve_ids":["CVE-2023-36464"],"ecosystem":"PyPI","epss":0.00352,"exploited":false,"fixed_versions":["3.9.0"],"ghsa_id":"GHSA-4vvm-4w3v-6mr8","id":"tcs_01M5KEZ7YB92H6BJDKEK3AK7HW","modified_at":"2026-09-10T03:50:01.918644849Z","published_at":"2023-06-30T20:33:57Z","references":["https://osv.dev/vulnerability/GHSA-4vvm-4w3v-6mr8","https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vvm-4w3v-6mr8","https://nvd.nist.gov/vuln/detail/CVE-2023-36464","https://github.com/py-pdf/pypdf/pull/1828","https://github.com/py-pdf/pypdf/pull/969","https://github.com/py-pdf/pypdf/commit/b0e5c689df689ab173df84dacd77b6fc3c161932","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/3.9.0"],"severity":{"label":"medium","score":6.2},"sources":[{"source":"osv","source_id":"GHSA-4vvm-4w3v-6mr8","url":"https://osv.dev/vulnerability/GHSA-4vvm-4w3v-6mr8"}],"summary":"pypdf and PyPDF2 possible Infinite Loop when a comment isn't followed by a character"}