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Ubuntu Server 20.04 LTS USN-2023:1587-1 Firefox Critical XSS Issue

red hat
Calendar Grey June 14, 2023
Dist Redhat Esm H88
Crucial Mozilla Thunderbird patch for Red Hat Enterprise Linux fixes critical security flaws.
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 102.12.0.
Security Fix(es):
* Mozilla: Click-jacking certificate exceptions through rendering lag (CVE-2023-34414)
* Mozilla: Memory safety bugs fixed in Firefox 114 and Firefox ESR 102.12 (CVE-2023-34416)
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 Red Hat Enterprise Linux important thunderbird safety issue click-jacking

References

https://access.redhat.com/security/cve/CVE-2023-34414 https://access.redhat.com/security/cve/CVE-2023-34416 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: thunderbird-102.12.0-1.el8_8.src.rpm
aarch64: thunderbird-102.12.0-1.el8_8.aarch64.rpm thunderbird-debuginfo-102.12.0-1.el8_8.aarch64.rpm thunderbird-debugsource-102.12.0-1.el8_8.aarch64.rpm
ppc64le: thunderbird-102.12.0-1.el8_8.ppc64le.rpm thunderbird-debuginfo-102.12.0-1.el8_8.ppc64le.rpm thunderbird-debugsource-102.12.0-1.el8_8.ppc64le.rpm
s390x: thunderbird-102.12.0-1.el8_8.s390x.rpm thunderbird-debuginfo-102.12.0-1.el8_8.s390x.rpm thunderbird-debugsource-102.12.0-1.el8_8.s390x.rpm
x86_64: thunderbird-102.12.0-1.el8_8.x86_64.rpm thunderbird-debuginfo-102.12.0-1.el8_8.x86_64.rpm thunderbird-debugsource-102.12.0-1.el8_8.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-2023:3588-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3588
Issue date: 2023-06-14

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 Red Hat Enterprise Linux important thunderbird safety issue click-jacking

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2212841 - CVE-2023-34414 Mozilla: Click-jacking certificate exceptions through rendering lag

2212842 - CVE-2023-34416 Mozilla: Memory safety bugs fixed in Firefox 114 and Firefox ESR 102.12

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