Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 510
Alerts This Week
Warning Icon 1 510

Red Hat Enterprise Linux 8: RHSA-2020-5146-01 Important: Thunderbird Update

red hat
Calendar Grey November 18, 2020
Dist Redhat Esm H88
Important notice for Thunderbird users on Red Hat Enterprise Linux 8 regarding a significant security vulnerability. A system reboot is required.
An update for thunderbird is now available for Red Hat Enterprise Linux 8

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory security update red hat bug fix important thunderbird mail client

References

https://access.redhat.com/security/cve/CVE-2020-26950 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: thunderbird-78.4.3-1.el8_3.src.rpm
aarch64: thunderbird-78.4.3-1.el8_3.aarch64.rpm thunderbird-debuginfo-78.4.3-1.el8_3.aarch64.rpm thunderbird-debugsource-78.4.3-1.el8_3.aarch64.rpm
ppc64le: thunderbird-78.4.3-1.el8_3.ppc64le.rpm thunderbird-debuginfo-78.4.3-1.el8_3.ppc64le.rpm thunderbird-debugsource-78.4.3-1.el8_3.ppc64le.rpm
x86_64: thunderbird-78.4.3-1.el8_3.x86_64.rpm thunderbird-debuginfo-78.4.3-1.el8_3.x86_64.rpm thunderbird-debugsource-78.4.3-1.el8_3.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:5146-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5146
Issue date: 2020-11-18

Topic

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 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.

Topics%20covered

Topics Covered

security advisory security update red hat bug fix important thunderbird mail client

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, x86_64

Bugs Fixed

1896306 - CVE-2020-26950 Mozilla: Write side effects in MCallGetProperty opcode not accounted for

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.