Greg Kuechle discovered that Bind incorrectly handled certain incremental zone updates. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2021-25214)
Siva Kakarla discovered that Bind incorrectly handled certain DNAME records. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2021-25215)
It was discovered that Bind incorrectly handled GSSAPI security policy negotiation. A remote attacker could use this issue to cause Bind to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-25216)
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{ "availability": "No subscription required", "binaries": [ { "bind9-doc": "1:9.16.1-0ubuntu2.8", "bind9-dnsutils-dbgsym": "1:9.16.1-0ubuntu2.8", "bind9-host": "1:9.16.1-0ubuntu2.8", "bind9-host-dbgsym": "1:9.16.1-0ubuntu2.8", "bind9utils": "1:9.16.1-0ubuntu2.8", "bind9-dbgsym": "1:9.16.1-0ubuntu2.8", "bind9-libs": "1:9.16.1-0ubuntu2.8", "bind9": "1:9.16.1-0ubuntu2.8", "bind9-utils": "1:9.16.1-0ubuntu2.8", "bind9-dnsutils": "1:9.16.1-0ubuntu2.8", "bind9-libs-dbgsym": "1:9.16.1-0ubuntu2.8", "bind9-utils-dbgsym": "1:9.16.1-0ubuntu2.8", "dnsutils": "1:9.16.1-0ubuntu2.8" } ] }