{"id":"AZL-6818","summary":"CVE-2019-12855 affecting package python-twisted for versions less than 22.2.0-1","details":"In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.","modified":"2026-04-01T05:21:21.498058Z","published":"2019-06-16T12:29:00Z","upstream":["CVE-2019-12855"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12855"}],"affected":[{"package":{"name":"python-twisted","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/python-twisted"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"22.2.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6818.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}