{"id":"USN-4365-1","summary":"bind9 vulnerabilities","details":"Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind\nincorrectly limited certain fetches. A remote attacker could possibly use\nthis issue to cause Bind to consume resources, leading to a denial of\nservice, or possibly use Bind to perform a reflection attack.\n(CVE-2020-8616)\n\nTobias Klein discovered that Bind incorrectly handled checking TSIG\nvalidity. A remote attacker could use this issue to cause Bind to crash,\nresulting in a denial of service, or possibly perform other attacks.\n(CVE-2020-8617)\n","modified":"2026-04-22T10:05:16.366523Z","published":"2020-05-19T11:43:43Z","related":["UBUNTU-CVE-2020-8616","UBUNTU-CVE-2020-8617"],"upstream":["CVE-2020-8616","CVE-2020-8617","UBUNTU-CVE-2020-8616","UBUNTU-CVE-2020-8617"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4365-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8616"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8617"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.16?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.10.3.dfsg.P4-8ubuntu1.16"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"bind9"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"bind9-host"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"bind9utils"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"dnsutils"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"host"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libbind9-140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libdns-export162"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libdns162"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libirs-export141"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libirs141"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libisc-export160"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libisc160"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libisccc-export140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libisccc140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libisccfg-export140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"libisccfg140"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"liblwres141"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.16","binary_name":"lwresd"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-8616"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/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-2020-8617"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4365-1.json"}},{"package":{"name":"bind9","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.12?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.12"}]}],"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"],"ecosystem_specific":{"availability":"No 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