A thunderbird security update has been released for Red Hat Enterprise Linux 8.0.
RHSA-2020:5167-01: Important: thunderbird security update
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:5167-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5167
Issue date: 2020-11-23
CVE Names: CVE-2020-26950
=====================================================================
1. Summary:
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream E4S (v. 8.0) - ppc64le, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.4.3.
Security Fix(es):
* Mozilla: Write side effects in MCallGetProperty opcode not accounted for
(CVE-2020-26950)
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.
4. 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.
5. Bugs fixed ( https://bugzilla.redhat.com/):
1896306 - CVE-2020-26950 Mozilla: Write side effects in MCallGetProperty opcode not accounted for
6. Package List:
Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source:
thunderbird-78.4.3-1.el8_0.src.rpm
ppc64le:
thunderbird-78.4.3-1.el8_0.ppc64le.rpm
thunderbird-debuginfo-78.4.3-1.el8_0.ppc64le.rpm
thunderbird-debugsource-78.4.3-1.el8_0.ppc64le.rpm
x86_64:
thunderbird-78.4.3-1.el8_0.x86_64.rpm
thunderbird-debuginfo-78.4.3-1.el8_0.x86_64.rpm
thunderbird-debugsource-78.4.3-1.el8_0.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/
7. References:
https://access.redhat.com/security/cve/CVE-2020-26950
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
