{"id":"CVE-2026-113790","revision":"6d4799992d0d42edbb69d57e49536004","records":[{"revision":"6d4799992d0d42edbb69d57e49536004","observedAt":"2026-10-28T02:51:34.363+00:00","statement":{"source":"cve-program","id":"CVE-2026-113790","aliases":[],"title":"pypdf: Possible large memory usage when parsing arrays and dictionaries","description":"pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing arrays or dictionaries with many elements, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0.","state":0,"publishedAt":"2026-10-21T15:35:52.503+00:00","modifiedAt":"2026-10-28T01:18:59.036+00:00","affected":[{"ecosystem":"Vendor product","name":"pypdf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"py-pdf\",\n                    \"product\": \"pypdf\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 6.21.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6,"severity":"MEDIUM"}],"references":["https://github.com/py-pdf/pypdf/security/advisories/GHSA-f54x-cmq8-qg57","https://github.com/py-pdf/pypdf/pull/4218","https://github.com/py-pdf/pypdf/commit/18bd2981a74479483a0b9507602c58a63d6c9b12","https://github.com/py-pdf/pypdf/releases/tag/6.21.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113790","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-113790","identifiers":["CVE-2026-113790"]},"retained":false,"historicalAffected":[]}],"coverage":[]}