Ubuntu Security Notice 5332-1 - Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind incorrectly handled certain bogus NS records when using forwarders. A remote attacker could possibly use this issue to manipulate cache results. It was discovered that Bind incorrectly handled certain crafted TCP streams. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. This issue only affected Ubuntu 21.10.
a4994aaa2841edfa08cf6a3ec7db1b8502e811fd0d2b3e850e50b578b1dbc1ca