Mozilla Firefox 2.x before 220.127.116.11, 1.5.x before 18.104.22.168, Thunderbird
before 22.214.171.124, SeaMonkey before 1.0.7, and Mozilla 1.7 and probably
earlier on Solaris, allow remote attackers to cause a denial of
service (memory corruption and crash) and possibly execute arbitrary
code via unknown impact and attack vectors.