{"id":"UBUNTU-CVE-2020-8623","details":"In BIND 9.10.0 -\u003e 9.11.21, 9.12.0 -\u003e 9.16.5, 9.17.0 -\u003e 9.17.3, also affects 9.10.5-S1 -\u003e 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with \"--enable-native-pkcs11\" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker","modified":"2026-04-22T14:29:23.351758Z","published":"2020-08-20T00:00:00Z","related":["USN-4468-1"],"upstream":["CVE-2020-8623"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8623"},{"type":"REPORT","url":"https://kb.isc.org/docs/cve-2020-8623"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4468-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8623"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.10.3.dfsg.P4-8ubuntu1.17?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.10.3.dfsg.P4-8ubuntu1.17"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"bind9","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17","binary_name":"bind9-host"},{"binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17","binary_name":"bind9utils"},{"binary_name":"dnsutils","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"host","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libbind9-140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libdns-export162","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libdns162","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libirs-export141","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libirs141","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libisc-export160","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libisc160","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libisccc-export140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libisccc140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libisccfg-export140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"libisccfg140","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"liblwres141","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"},{"binary_name":"lwresd","binary_version":"1:9.10.3.dfsg.P4-8ubuntu1.17"}],"availability":"No 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