RedHat: RHSA-2020-4909:01 Important: thunderbird security update
Summary
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.4.0.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4
(CVE-2020-15683)
* chromium-browser: Use after free in WebRTC (CVE-2020-15969)
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.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
All running instances of Thunderbird must be restarted for the update to
take effect.
References
https://access.redhat.com/security/cve/CVE-2020-15683 https://access.redhat.com/security/cve/CVE-2020-15969 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux Client (v. 7):
Source:
thunderbird-78.4.0-1.el7_9.src.rpm
x86_64:
thunderbird-78.4.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.4.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source:
thunderbird-78.4.0-1.el7_9.src.rpm
ppc64le:
thunderbird-78.4.0-1.el7_9.ppc64le.rpm
thunderbird-debuginfo-78.4.0-1.el7_9.ppc64le.rpm
x86_64:
thunderbird-78.4.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.4.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
thunderbird-78.4.0-1.el7_9.src.rpm
x86_64:
thunderbird-78.4.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.4.0-1.el7_9.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Bugs Fixed
1885885 - CVE-2020-15969 chromium-browser: Use after free in WebRTC
1889932 - CVE-2020-15683 Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4
