Upgrade to version 6.2.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
Vendor URL: http://www.eudora.com/
Security Tracker: 1013070
Secunia Advisory ID:14104
Related OSVDB ID: 13463
Mail List Post: http://archives.neohapsis.com/archives/vulnwatch/2005-q1/0048.html