{"id":"USN-5569-1","summary":"unbound vulnerabilities","details":"Xiang Li discovered that Unbound incorrectly handled delegation caching.\nA remote attacker could use this issue to keep rogue domain names\nresolvable long after they have been revoked.\n","modified":"2026-04-27T16:10:52.404879Z","published":"2022-08-16T11:24:50Z","related":["UBUNTU-CVE-2022-30698","UBUNTU-CVE-2022-30699"],"upstream":["CVE-2022-30698","CVE-2022-30699","UBUNTU-CVE-2022-30698","UBUNTU-CVE-2022-30699"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5569-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-30698"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-30699"}],"affected":[{"package":{"name":"unbound","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.7-1ubuntu2.5"}]}],"versions":["1.6.5-1","1.6.7-1","1.6.7-1build1","1.6.7-1ubuntu1","1.6.7-1ubuntu2","1.6.7-1ubuntu2.1","1.6.7-1ubuntu2.2","1.6.7-1ubuntu2.3","1.6.7-1ubuntu2.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libunbound2","binary_version":"1.6.7-1ubuntu2.5"},{"binary_name":"python-unbound","binary_version":"1.6.7-1ubuntu2.5"},{"binary_name":"python3-unbound","binary_version":"1.6.7-1ubuntu2.5"},{"binary_name":"unbound","binary_version":"1.6.7-1ubuntu2.5"},{"binary_name":"unbound-anchor","binary_version":"1.6.7-1ubuntu2.5"},{"binary_name":"unbound-host","binary_version":"1.6.7-1ubuntu2.5"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2022-30698","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-30699","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5569-1.json"}},{"package":{"name":"unbound","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-2ubuntu1.3"}]}],"versions":["1.9.0-2ubuntu1","1.9.0-2ubuntu2","1.9.4-2","1.9.4-2ubuntu1","1.9.4-2ubuntu1.1","1.9.4-2ubuntu1.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libunbound8","binary_version":"1.9.4-2ubuntu1.3"},{"binary_name":"python-unbound","binary_version":"1.9.4-2ubuntu1.3"},{"binary_name":"python3-unbound","binary_version":"1.9.4-2ubuntu1.3"},{"binary_name":"unbound","binary_version":"1.9.4-2ubuntu1.3"},{"binary_name":"unbound-anchor","binary_version":"1.9.4-2ubuntu1.3"},{"binary_name":"unbound-host","binary_version":"1.9.4-2ubuntu1.3"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-30698","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-30699"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5569-1.json"}},{"package":{"name":"unbound","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.13.1-1ubuntu5.1"}]}],"versions":["1.13.1-1ubuntu1","1.13.1-1ubuntu3","1.13.1-1ubuntu5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libunbound8","binary_version":"1.13.1-1ubuntu5.1"},{"binary_name":"python3-unbound","binary_version":"1.13.1-1ubuntu5.1"},{"binary_name":"unbound","binary_version":"1.13.1-1ubuntu5.1"},{"binary_name":"unbound-anchor","binary_version":"1.13.1-1ubuntu5.1"},{"binary_name":"unbound-host","binary_version":"1.13.1-1ubuntu5.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2022-30698","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-30699","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5569-1.json"}}],"schema_version":"1.7.5"}