Emanuel Almeida discovered that Bind incorrectly handled certain TCP payloads. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-8620)
Joseph Gullo discovered that Bind incorrectly handled QNAME minimization when used in certain configurations. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-8621)
Dave Feldman, Jeff Warren, and Joel Cunningham discovered that Bind incorrectly handled certain truncated responses to a TSIG-signed request. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8622)
Lyu Chiy discovered that Bind incorrectly handled certain queries. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8623)
Joop Boonen discovered that Bind incorrectly handled certain subdomain update-policy rules. A remote attacker granted privileges to change certain parts of a zone could use this issue to change other contents of the zone, contrary to expectations. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-8624)
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{ "availability": "No subscription required", "binaries": [ { "bind9-doc": "1:9.16.1-0ubuntu2.3", "bind9-dnsutils-dbgsym": "1:9.16.1-0ubuntu2.3", "bind9-host": "1:9.16.1-0ubuntu2.3", "bind9-host-dbgsym": "1:9.16.1-0ubuntu2.3", "bind9utils": "1:9.16.1-0ubuntu2.3", "bind9-dbgsym": "1:9.16.1-0ubuntu2.3", "bind9-libs": "1:9.16.1-0ubuntu2.3", "bind9": "1:9.16.1-0ubuntu2.3", "bind9-utils": "1:9.16.1-0ubuntu2.3", "bind9-dnsutils": "1:9.16.1-0ubuntu2.3", "bind9-libs-dbgsym": "1:9.16.1-0ubuntu2.3", "bind9-utils-dbgsym": "1:9.16.1-0ubuntu2.3", "dnsutils": "1:9.16.1-0ubuntu2.3" } ] }