(RHSA-2020:2614) Important: thunderbird security update

ID RHSA-2020:2614
Type redhat
Reporter RedHat
Modified 2020-06-19T05:40:11


Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 68.9.0.

Security Fix(es):

  • Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage (CVE-2020-12398)

  • Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405)

  • Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406)

  • Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9 (CVE-2020-12410)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.