{"id":"USN-5626-1","summary":"bind9 vulnerabilities","details":"Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind\nincorrectly handled large delegations. A remote attacker could possibly use\nthis issue to reduce performance, leading to a denial of service.\n(CVE-2022-2795)\n\nIt was discovered that Bind incorrectly handled statistics requests. A\nremote attacker could possibly use this issue to obtain sensitive memory\ncontents, or cause a denial of service. This issue only affected Ubuntu\n22.04 LTS. (CVE-2022-2881)\n\nIt was discovered that Bind incorrectly handled memory when processing\ncertain Diffie-Hellman key exchanges. A remote attacker could use this\nissue to consume resources, leading to a denial of service. This issue only\naffected Ubuntu 22.04 LTS. (CVE-2022-2906)\n\nMaksym Odinintsev discovered that Bind incorrectly handled answers from\ncache when configured with a zero stale-answer-timeout. A remote attacker\ncould possibly use this issue to cause Bind to crash, resulting in a denial\nof service. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-3080)\n\nIt was discovered that Bind incorrectly handled memory when processing\nECDSA DNSSEC verification. A remote attacker could use this issue to\nconsume resources, leading to a denial of service. This issue only affected\nUbuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-38177)\n\nIt was discovered that Bind incorrectly handled memory when processing\nEDDSA DNSSEC verification. A remote attacker could use this issue to\nconsume resources, leading to a denial of service. (CVE-2022-38178)\n","modified":"2026-02-10T04:42:47Z","published":"2022-09-21T11:39:24Z","related":["UBUNTU-CVE-2022-2795","UBUNTU-CVE-2022-2881","UBUNTU-CVE-2022-2906","UBUNTU-CVE-2022-3080","UBUNTU-CVE-2022-38177","UBUNTU-CVE-2022-38178"],"upstream":["CVE-2022-2795","CVE-2022-2881","CVE-2022-2906","CVE-2022-3080","CVE-2022-38177","CVE-2022-38178","UBUNTU-CVE-2022-2795","UBUNTU-CVE-2022-2881","UBUNTU-CVE-2022-2906","UBUNTU-CVE-2022-3080","UBUNTU-CVE-2022-38177","UBUNTU-CVE-2022-38178"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5626-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2795"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2881"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-2906"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-3080"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-38177"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-38178"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.18?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.18"}]}],"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","1:9.11.3+dfsg-1ubuntu1.17"],"ecosystem_specific":{"binaries":[{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"bind9"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"bind9-host"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"bind9utils"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"dnsutils"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libbind-dev"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libbind-export-dev"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libbind9-160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libdns-export1100"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libdns1100"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libirs-export160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libirs160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libisc-export169"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libisc169"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libisccc-export160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libisccc160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libisccfg-export160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"libisccfg160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.18","binary_name":"liblwres160"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04: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"}]},{"id":"CVE-2022-38178","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-5626-1.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.16.1-0ubuntu2.11?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.16.1-0ubuntu2.11"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"1:9.16.1-0ubuntu2.11","binary_name":"bind9"},{"binary_version":"1:9.16.1-0ubuntu2.11","binary_name":"bind9-dnsutils"},{"binary_version":"1:9.16.1-0ubuntu2.11","binary_name":"bind9-host"},{"binary_version":"1:9.16.1-0ubuntu2.11","binary_name":"bind9-libs"},{"binary_version":"1:9.16.1-0ubuntu2.11","binary_name":"bind9-utils"},{"binary_version":"1:9.16.1-0ubuntu2.11","binary_name":"bind9utils"},{"binary_version":"1:9.16.1-0ubuntu2.11","binary_name":"dnsutils"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04: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"}]},{"id":"CVE-2022-38178","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-5626-1.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.18.1-1ubuntu1.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.18.1-1ubuntu1.2"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"bind9"},{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"bind9-dev"},{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"bind9-dnsutils"},{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"bind9-host"},{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"bind9-libs"},{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"bind9-utils"},{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"bind9utils"},{"binary_version":"1:9.18.1-1ubuntu1.2","binary_name":"dnsutils"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04: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-2022-2881","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-2906","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"}]},{"id":"CVE-2022-3080","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"}]},{"id":"CVE-2022-38178","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-5626-1.json"}}],"schema_version":"1.7.3"}