{"id":"USN-5332-1","summary":"bind9 vulnerabilities","details":"Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind\nincorrectly handled certain bogus NS records when using forwarders. A\nremote attacker could possibly use this issue to manipulate cache results.\n(CVE-2021-25220)\n\nIt was discovered that Bind incorrectly handled certain crafted TCP\nstreams. A remote attacker could possibly use this issue to cause Bind to\nconsume resources, leading to a denial of service. This issue only affected\nUbuntu 21.10. (CVE-2022-0396)\n","modified":"2026-02-10T04:42:31Z","published":"2022-03-17T11:19:29Z","related":["UBUNTU-CVE-2021-25220","UBUNTU-CVE-2022-0396"],"upstream":["CVE-2021-25220","CVE-2022-0396","UBUNTU-CVE-2021-25220","UBUNTU-CVE-2022-0396"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5332-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-25220"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-0396"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.17?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.17"}]}],"versions":["1:9.10.3.dfsg.P4-12.6ubuntu1","1:9.11.2.P1-1ubuntu2","1:9.11.2.P1-1ubuntu3","1:9.11.2.P1-1ubuntu4","1:9.11.2.P1-1ubuntu5","1:9.11.3+dfsg-1ubuntu1","1:9.11.3+dfsg-1ubuntu1.1","1:9.11.3+dfsg-1ubuntu1.2","1:9.11.3+dfsg-1ubuntu1.3","1:9.11.3+dfsg-1ubuntu1.5","1:9.11.3+dfsg-1ubuntu1.7","1:9.11.3+dfsg-1ubuntu1.8","1:9.11.3+dfsg-1ubuntu1.9","1:9.11.3+dfsg-1ubuntu1.10","1:9.11.3+dfsg-1ubuntu1.11","1:9.11.3+dfsg-1ubuntu1.12","1:9.11.3+dfsg-1ubuntu1.13","1:9.11.3+dfsg-1ubuntu1.14","1:9.11.3+dfsg-1ubuntu1.15","1:9.11.3+dfsg-1ubuntu1.16"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"bind9-host","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"bind9utils","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"dnsutils","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libbind-dev","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libbind-export-dev","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libbind9-160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libdns-export1100","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libdns1100","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libirs-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libirs160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libisc-export169","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libisc169","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libisccc-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libisccc160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libisccfg-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"libisccfg160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"},{"binary_name":"liblwres160","binary_version":"1:9.11.3+dfsg-1ubuntu1.17"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-25220","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5332-1.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.10?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.16.1-0ubuntu2.10"}]}],"versions":["1:9.11.5.P4+dfsg-5.1ubuntu2","1:9.11.5.P4+dfsg-5.1ubuntu3","1:9.11.5.P4+dfsg-5.1ubuntu4","1:9.11.5.P4+dfsg-5.1ubuntu5","1:9.11.14+dfsg-1ubuntu1","1:9.11.14+dfsg-3ubuntu1","1:9.16.0-1ubuntu3","1:9.16.0-1ubuntu4","1:9.16.0-1ubuntu5","1:9.16.1-0ubuntu1","1:9.16.1-0ubuntu2","1:9.16.1-0ubuntu2.1","1:9.16.1-0ubuntu2.2","1:9.16.1-0ubuntu2.3","1:9.16.1-0ubuntu2.4","1:9.16.1-0ubuntu2.6","1:9.16.1-0ubuntu2.7","1:9.16.1-0ubuntu2.8","1:9.16.1-0ubuntu2.9"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.16.1-0ubuntu2.10"},{"binary_name":"bind9-dnsutils","binary_version":"1:9.16.1-0ubuntu2.10"},{"binary_name":"bind9-host","binary_version":"1:9.16.1-0ubuntu2.10"},{"binary_name":"bind9-libs","binary_version":"1:9.16.1-0ubuntu2.10"},{"binary_name":"bind9-utils","binary_version":"1:9.16.1-0ubuntu2.10"},{"binary_name":"bind9utils","binary_version":"1:9.16.1-0ubuntu2.10"},{"binary_name":"dnsutils","binary_version":"1:9.16.1-0ubuntu2.10"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-25220","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5332-1.json"}}],"schema_version":"1.7.3"}