Red Hat has issued an update for evolution. This fixes a vulnerability, which can be exploited by malicious people to compromise a user's system or by malicious, local users to gain escalated privileges.

For more information:
SA13830

Solution
Updated packages are available from Red Hat Network.
Further details available to Secunia VIM customers

Other references
Further details available to Secunia VIM customers

Deep Links
Links available to Secunia VIM customers