Ubuntu Security Notice 3893-1 - Toshifumi Sakaguchi discovered that Bind incorrectly handled memory. 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 18.04 LTS and Ubuntu 18.10. It was discovered that Bind incorrectly handled certain trust anchors when used with the "managed-keys" feature. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. Various other issues were also addressed.
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