Red Hat Security Advisory 2015-0047-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. Two flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. It was found that the Beacon interface implementation in Thunderbird did not follow the Cross-Origin Resource Sharing specification. A web page containing malicious content could allow a remote attacker to conduct a Cross-Site Request Forgery attack.
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