{"id":"UBUNTU-CVE-2021-4076","details":"A flaw exists in tang, a network-based cryptographic binding server, which could result in leak of private keys.","modified":"2025-07-16T08:15:54.834052Z","published":"2022-03-02T23:15:00Z","withdrawn":"2025-07-18T16:46:32Z","upstream":["CVE-2021-4076"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4076"},{"type":"REPORT","url":"https://github.com/latchset/tang/pull/81"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-4076"}],"affected":[{"package":{"name":"tang","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/tang@11-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"11-1"}]}],"versions":["8-3","10-3","10-4"],"ecosystem_specific":{"binaries":[{"binary_version":"11-1","binary_name":"tang"},{"binary_version":"11-1","binary_name":"tang-common"},{"binary_version":"11-1","binary_name":"tang-common-dbgsym"},{"binary_version":"11-1","binary_name":"tang-xinetd"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4076.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}