
Users whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

Depending on the privileges associated with the user an attacker could then install programs view, change, or delete data or create new accounts with full user rights. Successful exploitation of the most severe of these vulnerabilities could allow for arbitrary code execution in the context of the logged on user.

Details of these vulnerabilities are as follows: Multiple vulnerabilities have been discovered in Mozilla Firefox and Mozilla Thunderbird, the most severe of which could allow for arbitrary code execution.
