The host is installed with Mozilla Firefox before 3.6.26 or 4.x before 10.0, Thunderbird before 3.1.18 or 5.0 before 10.0, or SeaMonkey before 2.7 and is prone to a multiple unspecified vulnerabilities. The flaws are present in the applications, which fail to handle unknown vectors. Successful exploitation could allow attackers to execute arbitrary code or crash the service.