{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2022-45061", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA (RFC 3490) decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor; in such a scenario, they could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied supposed hostname. For example, the attack payload could be placed in the Location header of an HTTP response with status code 302. A fix is planned in 3.11.1, 3.10.9, 3.9.16, 3.8.16, and 3.7.16." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "url": "https://github.com/python/cpython/issues/98433", "refsource": "MISC", "name": "https://github.com/python/cpython/issues/98433" }, { "refsource": "FEDORA", "name": "FEDORA-2022-45d2cfdfa4", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O67LRHDTJWH544KXB6KY4HMHQLYDXFPK/" }, { "refsource": "FEDORA", "name": "FEDORA-2022-3e859b6bc6", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4WBZJNSALFGMPYTINIF57HAAK46U72WQ/" }, { "refsource": "FEDORA", "name": "FEDORA-2022-e1ce71ff40", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GTPVDZDATRQFE6KAT6B4BQIQ4GRHIIIJ/" }, { "refsource": "FEDORA", "name": 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