{"id":"USN-4956-1","summary":"python-eventlet vulnerability","details":"It was discovered that Eventlet incorrectly handled certain requests.\nAn attacker could possibly use this issue to cause a denial of service.\n","modified":"2026-02-10T04:42:12Z","published":"2021-05-17T13:32:42Z","related":["UBUNTU-CVE-2021-21419"],"upstream":["CVE-2021-21419","UBUNTU-CVE-2021-21419"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4956-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-21419"}],"affected":[{"package":{"name":"python-eventlet","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/python-eventlet@0.25.1-2ubuntu1.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.25.1-2ubuntu1.1"}]}],"versions":["0.25.0-0ubuntu1","0.25.1-2build1","0.25.1-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-eventlet","binary_version":"0.25.1-2ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4956-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-21419"}]}}}],"schema_version":"1.7.3"}