{"id":"AZL-71834","summary":"CVE-2025-66418 affecting package python-urllib3 for versions less than 2.0.7-3","details":"urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage and massive memory allocation for the decompressed data. This vulnerability is fixed in 2.6.0.","modified":"2026-04-01T05:22:06.006894Z","published":"2025-12-05T16:15:51Z","upstream":["CVE-2025-66418"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66418"}],"affected":[{"package":{"name":"python-urllib3","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/python-urllib3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.7-3"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-71834.json"}}],"schema_version":"1.7.5"}