Ubuntu Security Notice 6164-1 - Hannes Moesl discovered that c-ares incorrectly handled certain ipv6 addresses. An attacker could use this issue to cause c-ares to crash, resulting in a denial of service, or possibly execute arbitrary code. Xiang Li discovered that c-ares incorrectly handled certain UDP packets. A remote attacker could possibly use this issue to cause c-res to crash, resulting in a denial of service.
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