{"id":"USN-5626-2","summary":"bind9 vulnerabilities","details":"USN-5626-1 fixed several vulnerabilities in Bind. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind\n incorrectly handled large delegations. A remote attacker could possibly use\n this issue to reduce performance, leading to a denial of service.\n (CVE-2022-2795)\n\n It was discovered that Bind incorrectly handled memory when processing\n ECDSA DNSSEC verification. A remote attacker could use this issue to\n consume resources, leading to a denial of service. (CVE-2022-38177)\n","modified":"2026-02-10T04:42:47Z","published":"2022-09-21T15:39:00Z","related":["UBUNTU-CVE-2022-2795","UBUNTU-CVE-2022-38177"],"upstream":["CVE-2022-2795","CVE-2022-38177","UBUNTU-CVE-2022-2795","UBUNTU-CVE-2022-38177"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5626-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2795"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-38177"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm7?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.9.5.dfsg-3ubuntu0.19+esm7"}]}],"versions":["1:9.9.3.dfsg.P2-4ubuntu1","1:9.9.3.dfsg.P2-4ubuntu2","1:9.9.3.dfsg.P2-4ubuntu3","1:9.9.5.dfsg-2","1:9.9.5.dfsg-3","1:9.9.5.dfsg-3ubuntu0.1","1:9.9.5.dfsg-3ubuntu0.2","1:9.9.5.dfsg-3ubuntu0.3","1:9.9.5.dfsg-3ubuntu0.4","1:9.9.5.dfsg-3ubuntu0.5","1:9.9.5.dfsg-3ubuntu0.6","1:9.9.5.dfsg-3ubuntu0.7","1:9.9.5.dfsg-3ubuntu0.8","1:9.9.5.dfsg-3ubuntu0.9","1:9.9.5.dfsg-3ubuntu0.10","1:9.9.5.dfsg-3ubuntu0.11","1:9.9.5.dfsg-3ubuntu0.12","1:9.9.5.dfsg-3ubuntu0.13","1:9.9.5.dfsg-3ubuntu0.14","1:9.9.5.dfsg-3ubuntu0.15","1:9.9.5.dfsg-3ubuntu0.16","1:9.9.5.dfsg-3ubuntu0.17","1:9.9.5.dfsg-3ubuntu0.18","1:9.9.5.dfsg-3ubuntu0.19","1:9.9.5.dfsg-3ubuntu0.19+esm1","1:9.9.5.dfsg-3ubuntu0.19+esm2","1:9.9.5.dfsg-3ubuntu0.19+esm3","1:9.9.5.dfsg-3ubuntu0.19+esm4","1:9.9.5.dfsg-3ubuntu0.19+esm5","1:9.9.5.dfsg-3ubuntu0.19+esm6"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"bind9"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"bind9-host"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"bind9utils"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"dnsutils"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"host"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"libbind-dev"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"libbind9-90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"libdns100"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"libisc95"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"libisccc90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"libisccfg90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"liblwres90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm7","binary_name":"lwresd"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2022-2795","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-38177","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5626-2.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.19+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3"}]}],"versions":["1:9.9.5.dfsg-11ubuntu1","1:9.9.5.dfsg-12","1:9.9.5.dfsg-12.1","1:9.9.5.dfsg-12.1ubuntu1","1:9.10.3.dfsg.P2-4","1:9.10.3.dfsg.P2-5","1:9.10.3.dfsg.P4-3","1:9.10.3.dfsg.P4-4","1:9.10.3.dfsg.P4-5","1:9.10.3.dfsg.P4-8","1:9.10.3.dfsg.P4-8ubuntu1","1:9.10.3.dfsg.P4-8ubuntu1.1","1:9.10.3.dfsg.P4-8ubuntu1.2","1:9.10.3.dfsg.P4-8ubuntu1.3","1:9.10.3.dfsg.P4-8ubuntu1.4","1:9.10.3.dfsg.P4-8ubuntu1.5","1:9.10.3.dfsg.P4-8ubuntu1.6","1:9.10.3.dfsg.P4-8ubuntu1.7","1:9.10.3.dfsg.P4-8ubuntu1.8","1:9.10.3.dfsg.P4-8ubuntu1.9","1:9.10.3.dfsg.P4-8ubuntu1.10","1:9.10.3.dfsg.P4-8ubuntu1.11","1:9.10.3.dfsg.P4-8ubuntu1.12","1:9.10.3.dfsg.P4-8ubuntu1.14","1:9.10.3.dfsg.P4-8ubuntu1.15","1:9.10.3.dfsg.P4-8ubuntu1.16","1:9.10.3.dfsg.P4-8ubuntu1.17","1:9.10.3.dfsg.P4-8ubuntu1.18","1:9.10.3.dfsg.P4-8ubuntu1.19","1:9.10.3.dfsg.P4-8ubuntu1.19+esm1","1:9.10.3.dfsg.P4-8ubuntu1.19+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"bind9"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"bind9-host"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"bind9utils"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"dnsutils"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"host"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libbind-dev"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libbind-export-dev"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libbind9-140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libdns-export162"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libdns162"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libirs-export141"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libirs141"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libisc-export160"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libisc160"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libisccc-export140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libisccc140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libisccfg-export140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"libisccfg140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"liblwres141"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.19+esm3","binary_name":"lwresd"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2022-2795","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-38177","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5626-2.json"}}],"schema_version":"1.7.3"}