{"id":"USN-4737-2","summary":"bind9 vulnerability","details":"USN-4737-1 fixed a vulnerability in Bind. This update provides\nthe corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that Bind incorrectly handled GSSAPI security policy\n negotiation. A remote attacker could use this issue to cause Bind to crash,\n resulting in a denial of service, or possibly execute arbitrary code. In\n the default installation, attackers would be isolated by the Bind AppArmor\n profile.\n","modified":"2026-04-22T10:12:23.916073Z","published":"2021-03-01T18:12:48Z","related":["UBUNTU-CVE-2020-8625"],"upstream":["CVE-2020-8625","UBUNTU-CVE-2020-8625"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4737-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8625"}],"affected":[{"package":{"name":"bind9","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/bind9@1:9.9.5.dfsg-3ubuntu0.19+esm4?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:9.9.5.dfsg-3ubuntu0.19+esm4"}]}],"versions":["1:9.9.3.dfsg.P2-4ubuntu1","1:9.9.3.dfsg.P2-4ubuntu2","1:9.9.3.dfsg.P2-4ubuntu3","1:9.9.5.dfsg-2","1:9.9.5.dfsg-3","1:9.9.5.dfsg-3ubuntu0.1","1:9.9.5.dfsg-3ubuntu0.2","1:9.9.5.dfsg-3ubuntu0.3","1:9.9.5.dfsg-3ubuntu0.4","1:9.9.5.dfsg-3ubuntu0.5","1:9.9.5.dfsg-3ubuntu0.6","1:9.9.5.dfsg-3ubuntu0.7","1:9.9.5.dfsg-3ubuntu0.8","1:9.9.5.dfsg-3ubuntu0.9","1:9.9.5.dfsg-3ubuntu0.10","1:9.9.5.dfsg-3ubuntu0.11","1:9.9.5.dfsg-3ubuntu0.12","1:9.9.5.dfsg-3ubuntu0.13","1:9.9.5.dfsg-3ubuntu0.14","1:9.9.5.dfsg-3ubuntu0.15","1:9.9.5.dfsg-3ubuntu0.16","1:9.9.5.dfsg-3ubuntu0.17","1:9.9.5.dfsg-3ubuntu0.18","1:9.9.5.dfsg-3ubuntu0.19","1:9.9.5.dfsg-3ubuntu0.19+esm1","1:9.9.5.dfsg-3ubuntu0.19+esm2","1:9.9.5.dfsg-3ubuntu0.19+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"bind9"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"bind9-host"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"bind9utils"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"dnsutils"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"host"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"libbind9-90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"libdns100"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"libisc95"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"libisccc90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"libisccfg90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"liblwres90"},{"binary_version":"1:9.9.5.dfsg-3ubuntu0.19+esm4","binary_name":"lwresd"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4737-2.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-8625"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}}],"schema_version":"1.7.5"}