Ubuntu Security Notice 4924-1 - It was discovered that Dnsmasq incorrectly handled certain wildcard synthesized NSEC records. A remote attacker could possibly use this issue to prove the non-existence of hostnames that actually exist. It was discovered that Dnsmasq incorrectly handled certain large DNS packets. A remote attacker could possibly use this issue to cause Dnsmasq to crash, resulting in a denial of service. Various other issues were also addressed.
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