RHSA-2020:2048 — Security Advisory

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 Critical. 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 68.8.0.

Security Fix(es):

• Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)

• Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395)

• usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)

• Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392)

• Mozilla: Sender Email Address Spoofing using encoded Unicode characters (CVE-2020-12397)

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.