CVE 2010-3778
Unspecified vulnerability in Mozilla Firefox 3.5.x before 3.5.16, Thunderbird before 3.0.11, and SeaMonkey before 2.0.11 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
See the
CVE page on Mitre.org
for more details.