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Red Hat: RHSA-2023-0600-01 Critical Update on Mozilla Thunderbird Security

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Calendar Grey February 6, 2023
Scroller Redhat
Notice regarding a significant Thunderbird security flaw on Red Hat Enterprise Linux 7 includes essential patch details.
An update for thunderbird is now available for Red Hat Enterprise Linux 7

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 102.7.1.
Security Fix(es):
* Mozilla: Revocation status of S/Mime signature certificates was not checked (CVE-2023-0430)
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.

References

https://access.redhat.com/security/cve/CVE-2023-0430 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: thunderbird-102.7.1-2.el7_9.src.rpm
x86_64: thunderbird-102.7.1-2.el7_9.x86_64.rpm thunderbird-debuginfo-102.7.1-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source: thunderbird-102.7.1-2.el7_9.src.rpm
ppc64le: thunderbird-102.7.1-2.el7_9.ppc64le.rpm thunderbird-debuginfo-102.7.1-2.el7_9.ppc64le.rpm
x86_64: thunderbird-102.7.1-2.el7_9.x86_64.rpm thunderbird-debuginfo-102.7.1-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: thunderbird-102.7.1-2.el7_9.src.rpm
x86_64: thunderbird-102.7.1-2.el7_9.x86_64.rpm thunderbird-debuginfo-102.7.1-2.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0600-01
Product: Red Hat Enterprise Linux
Issue date: 2023-02-06

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.

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

2166591 - CVE-2023-0430 Mozilla: Revocation status of S/Mime signature certificates was not checked

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