Various other issues were also addressed. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. The update introduced a new regression that breaks DNS resolution.
Ubuntu Security Notice 3430-3 - USN-3430-2 fixed several vulnerabilities. Related Files Ubuntu Security Notice USN-3430-3 Posted Authored by Ubuntu | Site Stack-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DHCPv6 request.
