The host is installed with Mozilla Firefox 4.x through 11.0, Thunderbird 5.0 through 11.0, or SeaMonkey before 2.9 and is prone to multiple unspecified vulnerabilities. The flaws are present in the applications, which fail to handle vectors related to jsval.h and the js::array_shift function. Successful exploitation could allow attackers to cause a denial of service or assertion failure and memory corruption or possibly execute arbitrary code.