Unspecified vulnerability in Firefox and Thunderbird before 1.5.0.2 and SeaMonkey before 1.0.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown attack vectors related to DHTML. NOTE: due to the lack of sufficient public details from the vendor as of 20060413 it is unclear how CVE-2006-1529 CVE-2006-1530 CVE-2006-1531 and CVE-2006-1723 are different.