{"id":"USN-6183-1","summary":"bind9 vulnerabilities","details":"Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered\nthat Bind incorrectly handled the cache size limit. A remote attacker could\npossibly use this issue to consume memory, leading to a denial of service.\n(CVE-2023-2828)\n\nIt was discovered that Bind incorrectly handled the recursive-clients\nquota. A remote attacker could possibly use this issue to cause Bind to\ncrash, resulting in a denial of service. This issue only affected Ubuntu\n22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-2911)\n","modified":"2026-02-10T04:43:10Z","published":"2023-06-21T17:11:48Z","related":["UBUNTU-CVE-2023-2828","UBUNTU-CVE-2023-2911"],"upstream":["CVE-2023-2828","CVE-2023-2911","UBUNTU-CVE-2023-2828","UBUNTU-CVE-2023-2911"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6183-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2828"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2911"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.15?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.16.1-0ubuntu2.15"}]}],"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","1:9.16.1-0ubuntu2.10","1:9.16.1-0ubuntu2.11","1:9.16.1-0ubuntu2.12","1:9.16.1-0ubuntu2.14"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.16.1-0ubuntu2.15"},{"binary_name":"bind9-dnsutils","binary_version":"1:9.16.1-0ubuntu2.15"},{"binary_name":"bind9-host","binary_version":"1:9.16.1-0ubuntu2.15"},{"binary_name":"bind9-libs","binary_version":"1:9.16.1-0ubuntu2.15"},{"binary_name":"bind9-utils","binary_version":"1:9.16.1-0ubuntu2.15"},{"binary_name":"bind9utils","binary_version":"1:9.16.1-0ubuntu2.15"},{"binary_name":"dnsutils","binary_version":"1:9.16.1-0ubuntu2.15"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-2828"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-2911"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6183-1.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.18.12-0ubuntu0.22.04.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.18.12-0ubuntu0.22.04.2"}]}],"versions":["1:9.16.15-1ubuntu1","1:9.16.15-1ubuntu2","1:9.16.15-1ubuntu3","1:9.18.0-2ubuntu1","1:9.18.0-2ubuntu2","1:9.18.0-2ubuntu3","1:9.18.1-1ubuntu1","1:9.18.1-1ubuntu1.1","1:9.18.1-1ubuntu1.2","1:9.18.1-1ubuntu1.3","1:9.18.12-0ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.18.12-0ubuntu0.22.04.2"},{"binary_name":"bind9-dev","binary_version":"1:9.18.12-0ubuntu0.22.04.2"},{"binary_name":"bind9-dnsutils","binary_version":"1:9.18.12-0ubuntu0.22.04.2"},{"binary_name":"bind9-host","binary_version":"1:9.18.12-0ubuntu0.22.04.2"},{"binary_name":"bind9-libs","binary_version":"1:9.18.12-0ubuntu0.22.04.2"},{"binary_name":"bind9-utils","binary_version":"1:9.18.12-0ubuntu0.22.04.2"},{"binary_name":"bind9utils","binary_version":"1:9.18.12-0ubuntu0.22.04.2"},{"binary_name":"dnsutils","binary_version":"1:9.18.12-0ubuntu0.22.04.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-2828"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-2911"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6183-1.json"}}],"schema_version":"1.7.3"}