{"action":"Upgrade pypdf to 6.7.1 or later.","affected":[{"fixed":"6.7.1","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-27025"],"ecosystem":"PyPI","epss":0.00191,"exploited":false,"fixed_versions":["6.7.1"],"ghsa_id":"GHSA-wgvp-vg3v-2xq3","id":"tcs_01M5KG26K2EJV0VFN1G9YWCZQX","modified_at":"2026-09-10T03:50:36.045929384Z","published_at":"2026-02-18T22:41:13Z","references":["https://osv.dev/vulnerability/GHSA-wgvp-vg3v-2xq3","https://github.com/py-pdf/pypdf/security/advisories/GHSA-wgvp-vg3v-2xq3","https://nvd.nist.gov/vuln/detail/CVE-2026-27025","https://github.com/py-pdf/pypdf/pull/3646","https://github.com/py-pdf/pypdf/commit/77d7b8d7cfbe8dd179858dfa42666f73fc6e57a2","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.7.1"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GHSA-wgvp-vg3v-2xq3","url":"https://osv.dev/vulnerability/GHSA-wgvp-vg3v-2xq3"},{"source":"nvd","source_id":"CVE-2026-27025","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27025"}],"summary":"pypdf has possible long runtimes/large memory usage for large /ToUnicode streams"}