Arbitrary code execution: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-3677 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-3803 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-3806 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-3807 Denial of service: http://nvd.nist.gov/nvd.cfm?cvename=CVE-2006-3804 All these are reported against seamonkey < 1.0.3. FE[45] and devel affected.
There's more: CVE-2006-3113, CVE-2006-3801, CVE-2006-3802, CVE-2006-3805, CVE-2006-3808, CVE-2006-3809, CVE-2006-3810, CVE-2006-3811
...and CVE-2006-3812
See also related Firefox bug #200357
Fixed in 1.0.3+ according to upstream.