{"id":"AZL-113170","summary":"CVE-2026-123611 affecting package kata-containers 4.1.0.kata2-1","details":"rustls before 0.23.46 contains a key exchange downgrade vulnerability that allows network attackers to poison the per-server-name key-exchange group record via an unauthenticated ServerHello. Attackers can answer one connection with a ServerHello selecting X25519, causing later ClientHellos to send only classical shares and lose post-quantum confidentiality.","modified":"2026-11-14T05:30:17Z","published":"2026-11-08T02:16:56Z","upstream":["CVE-2026-123611"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123611"}],"affected":[{"package":{"name":"kata-containers","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kata-containers"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.1.0.kata2-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-113170.json"}}],"schema_version":"1.9.2"}