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An update for thunderbird is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 52.5.2. Security Fix(es) : * 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. (CVE-2017-7846, CVE-2017-7847, CVE-2017-7848, CVE-2017-7829) Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges cure53 and Sabri Haddouche as the original reporters.
Update the affected thunderbird and / or thunderbird-debuginfo packages.