RHSA-2020:3343 — Security Advisory
Red Hat Security Advisory: thunderbird security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · August 6, 2020
Updated · June 28, 2026
Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions.
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.
Description
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.11.0.
Security Fix(es):
-
chromium-browser: Use after free in ANGLE (CVE-2020-6463)
-
chromium-browser: Inappropriate implementation in WebRTC (CVE-2020-6514)
-
Mozilla: Potential leak of redirect targets when loading scripts in a worker (CVE-2020-15652)
-
Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11 (CVE-2020-15659)
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.