{"id":"UBUNTU-CVE-2018-5744","details":"A failure to free memory can occur when processing messages having a specific combination of EDNS options. Versions affected are: BIND 9.10.7 -\u003e 9.10.8-P1, 9.11.3 -\u003e 9.11.5-P1, 9.12.0 -\u003e 9.12.3-P1, and versions 9.10.7-S1 -\u003e 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -\u003e 9.13.6 of the 9.13 development branch are also affected.","modified":"2026-02-04T03:11:26.744289Z","published":"2019-02-21T00:00:00Z","related":["USN-3893-1"],"upstream":["CVE-2018-5744"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5744"},{"type":"REPORT","url":"https://kb.isc.org/docs/cve-2018-5744"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3893-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-5744"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.11.3+dfsg-1ubuntu1.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.11.3+dfsg-1ubuntu1.5"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"bind9"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"bind9-host"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"bind9utils"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"dnsutils"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libbind-dev"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libbind-export-dev"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libbind9-160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libdns-export1100"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libdns1100"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libirs-export160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libirs160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libisc-export169"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libisc169"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libisccc-export160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libisccc160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libisccfg-export160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"libisccfg160"},{"binary_version":"1:9.11.3+dfsg-1ubuntu1.5","binary_name":"liblwres160"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5744.json"}}],"schema_version":"1.7.3","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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}