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Alerts This Week
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Critical Alert: Heap Overflow Vulnerability in Thunderbird on Red Hat 9

red hat
Calendar Grey September 19, 2023
Dist Redhat Esm H88
A critical patch has been released for Thunderbird in Red Hat Enterprise Linux 9, focusing on rectifying a heap buffer overflow vulnerability.
An update for thunderbird is now available for Red Hat Enterprise Linux 9

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 102.15.1.
Security Fix(es):
* libwebp: Heap buffer overflow in WebP Codec (CVE-2023-4863)
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 important heap overflow red hat enterprise mail client thunderbird update

References

https://access.redhat.com/security/cve/CVE-2023-4863 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: thunderbird-102.15.1-1.el9_2.src.rpm
aarch64: thunderbird-102.15.1-1.el9_2.aarch64.rpm thunderbird-debuginfo-102.15.1-1.el9_2.aarch64.rpm thunderbird-debugsource-102.15.1-1.el9_2.aarch64.rpm
ppc64le: thunderbird-102.15.1-1.el9_2.ppc64le.rpm thunderbird-debuginfo-102.15.1-1.el9_2.ppc64le.rpm thunderbird-debugsource-102.15.1-1.el9_2.ppc64le.rpm
s390x: thunderbird-102.15.1-1.el9_2.s390x.rpm thunderbird-debuginfo-102.15.1-1.el9_2.s390x.rpm thunderbird-debugsource-102.15.1-1.el9_2.s390x.rpm
x86_64: thunderbird-102.15.1-1.el9_2.x86_64.rpm thunderbird-debuginfo-102.15.1-1.el9_2.x86_64.rpm thunderbird-debugsource-102.15.1-1.el9_2.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-2023:5224-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5224
Issue date: 2023-09-19

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 9.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 important heap overflow red hat enterprise mail client thunderbird update

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2238431 - CVE-2023-4863 libwebp: Heap buffer overflow in WebP Codec

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