Multiple vulnerabilities have been reported in Pale Moon, which can be exploited by malicious people to compromise a user's system.

For more information:
SA49366

Note: Additionally, the included MSVC runtime libraries were updated.

Solution
Update to version 12.1.
Original Advisory
http://www.palemoon.org/releasenotes-ng.shtml

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers