RHSA-2020:0577 — Security Advisory

An update for thunderbird is now available for Red Hat Enterprise Linux 8.

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 68.5.0.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5 (CVE-2020-6800)

• Mozilla: Out-of-bounds read when processing certain email messages (CVE-2020-6793)

• Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords (CVE-2020-6794)

• Mozilla: Crash processing S/MIME messages with multiple signatures (CVE-2020-6795)

• Mozilla: Incorrect parsing of template tag could result in JavaScript injection (CVE-2020-6798)

• Mozilla: Message ID calculation was based on uninitialized data (CVE-2020-6792)

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.