A vulnerability has been identified in Mozilla Thunderbird and SeaMonkey, which could be exploited by attackers to take complete control of an affected system. This issue is due to an integer overflow error when processing "text/enhanced" or "text/richtext" email messages containing an overly long string (more than 400 megabytes), which could be exploited by attackers to execute arbitrary commands by tricking a user into opening a specially crafted message.
Note : Email servers usually have storage quotas and transport filters that will prevent a message with an overly large size from reaching its destination.
Credits
Vulnerability reported by Georgi Guninski
ChangeLog
2007-03-05 : Initial release
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