{"id":"AZL-109644","summary":"CVE-2022-45061 affecting package python-py 1.11.0-1","details":"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.","modified":"2026-10-21T05:36:09Z","published":"2022-11-09T07:15:09Z","upstream":["CVE-2022-45061"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-45061"}],"affected":[{"package":{"name":"python-py","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/python-py"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.11.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-109644.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}