Red Hat Security Advisory 2018-0262-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 52.6.0. Security Fix: Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird.
b846c6ee49cf2db644f765631e5090af3334a0937b6724e2f124a90b353c337a