Ubuntu Security Notice 5747-1 - It was discovered that Bind incorrectly handled large query name when using lightweight resolver protocol. A remote attacker could use this issue to consume resources, leading to a denial of service. It was discovered that Bind incorrectly handled large zone data size received via AXFR response. A remote authenticated attacker could use this issue to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS.
e0fa90d43b033818a5541fa0052dd3b5c0b63540bf52851fc17c004941501d36