{"schema_version":"1.7.2","id":"OESA-2021-1260","modified":"2021-07-10T11:03:02Z","published":"2021-07-10T11:03:02Z","upstream":["CVE-2021-33503"],"summary":"python-urllib3 security update","details":"\r\n\r\nSecurity Fix(es):\r\n\r\nAn issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.(CVE-2021-33503)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP1","name":"python-urllib3","purl":"pkg:rpm/openEuler/python-urllib3\u0026distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.9-3.oe1"}]}],"ecosystem_specific":{"noarch":["python2-urllib3-1.25.9-3.oe1.noarch.rpm","python3-urllib3-1.25.9-3.oe1.noarch.rpm"],"src":["python-urllib3-1.25.9-3.oe1.src.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1260"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33503"}],"database_specific":{"severity":"High"}}