{"action":"Upgrade pypdf to 6.9.1 or later.","affected":[{"fixed":"6.9.1","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-33123"],"ecosystem":"PyPI","epss":0.00355,"exploited":false,"fixed_versions":["6.9.1"],"ghsa_id":"GHSA-qpxp-75px-xjcp","id":"tcs_01M5KFWFG5WZ8G51WMTY00TKQ7","modified_at":"2026-09-10T03:51:00.643708515Z","published_at":"2026-03-18T16:17:31Z","references":["https://osv.dev/vulnerability/GHSA-qpxp-75px-xjcp","https://github.com/py-pdf/pypdf/security/advisories/GHSA-qpxp-75px-xjcp","https://nvd.nist.gov/vuln/detail/CVE-2026-33123","https://github.com/py-pdf/pypdf/pull/3686","https://github.com/py-pdf/pypdf","https://github.com/py-pdf/pypdf/releases/tag/6.9.1"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-qpxp-75px-xjcp","url":"https://osv.dev/vulnerability/GHSA-qpxp-75px-xjcp"},{"source":"nvd","source_id":"CVE-2026-33123","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33123"}],"summary":"pypdf has inefficient decoding of array-based streams"}