{"id":"USN-4026-1","summary":"bind9 vulnerability","details":"It was discovered that Bind incorrectly handled certain malformed packets.\nA remote attacker could possibly use this issue to cause Bind to crash,\nresulting in a denial of service.\n","modified":"2026-04-22T09:57:53.675641Z","published":"2019-06-20T11:22:06Z","related":["UBUNTU-CVE-2019-6471"],"upstream":["CVE-2019-6471","UBUNTU-CVE-2019-6471"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4026-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-6471"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.8?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.8"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"bind9","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"bind9-host","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"bind9utils","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"dnsutils","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libbind9-160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libdns-export1100","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libdns1100","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libirs-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libirs160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libisc-export169","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libisc169","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libisccc-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libisccc160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libisccfg-export160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"libisccfg160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"},{"binary_name":"liblwres160","binary_version":"1:9.11.3+dfsg-1ubuntu1.8"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-6471"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4026-1.json"}}],"schema_version":"1.7.5"}