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RHEL 9: RHSA-2023-5205-01 Important Heap Overflow in Firefox

red hat
Calendar Grey September 18, 2023
Dist Redhat Esm H88
A new Firefox patch for RHEL 9 addresses serious security flaws, particularly a concerning heap overflow vulnerability. Full information enclosed.
An update for firefox is now available for Red Hat Enterprise Linux 9.0 Extended Update Support

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

After installing the update, Firefox must be restarted for the changes to take effect.

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 102.15.1 ESR.
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 update security fix Red Hat Enterprise Linux heap overflow firefox

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 EUS (v.9.0):
Source: firefox-102.15.1-1.el9_0.src.rpm
aarch64: firefox-102.15.1-1.el9_0.aarch64.rpm firefox-debuginfo-102.15.1-1.el9_0.aarch64.rpm firefox-debugsource-102.15.1-1.el9_0.aarch64.rpm
ppc64le: firefox-102.15.1-1.el9_0.ppc64le.rpm firefox-debuginfo-102.15.1-1.el9_0.ppc64le.rpm firefox-debugsource-102.15.1-1.el9_0.ppc64le.rpm
s390x: firefox-102.15.1-1.el9_0.s390x.rpm firefox-debuginfo-102.15.1-1.el9_0.s390x.rpm firefox-debugsource-102.15.1-1.el9_0.s390x.rpm
x86_64: firefox-102.15.1-1.el9_0.x86_64.rpm firefox-debuginfo-102.15.1-1.el9_0.x86_64.rpm firefox-debugsource-102.15.1-1.el9_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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5205-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5205
Issue date: 2023-09-18

Topic

An update for firefox is now available for Red Hat Enterprise Linux 9.0Extended Update Support.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 update security fix Red Hat Enterprise Linux heap overflow firefox

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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