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RedHat 8.2 RHSA-2023:5426 Important: Firefox Update Security Advisory

red hat
Calendar Grey October 4, 2023
Dist Redhat Esm H88
Important security patch for Firefox on RHEL 8.2 addressing vulnerabilities in memory handling and buffer overflow risks.
An update for firefox is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterpr...

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 115.3.1 ESR.
Security Fix(es):
* firefox: use-after-free in workers (CVE-2023-3600)
* Mozilla: Out-of-bounds write in PathOps (CVE-2023-5169)
* Mozilla: Use-after-free in Ion Compiler (CVE-2023-5171)
* Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3 (CVE-2023-5176)
* libvpx: Heap buffer overflow in vp8 encoding in libvpx (CVE-2023-5217)
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 firefox web browser memory safety out-of-bounds write update service

References

https://access.redhat.com/security/cve/CVE-2023-3600 https://access.redhat.com/security/cve/CVE-2023-5169 https://access.redhat.com/security/cve/CVE-2023-5171 https://access.redhat.com/security/cve/CVE-2023-5176 https://access.redhat.com/security/cve/CVE-2023-5217 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream AUS (v. 8.2):
Source: firefox-115.3.1-1.el8_2.src.rpm
x86_64: firefox-115.3.1-1.el8_2.x86_64.rpm firefox-debuginfo-115.3.1-1.el8_2.x86_64.rpm firefox-debugsource-115.3.1-1.el8_2.x86_64.rpm
Red Hat Enterprise Linux AppStream E4S (v. 8.2):
Source: firefox-115.3.1-1.el8_2.src.rpm
ppc64le: firefox-115.3.1-1.el8_2.ppc64le.rpm firefox-debuginfo-115.3.1-1.el8_2.ppc64le.rpm firefox-debugsource-115.3.1-1.el8_2.ppc64le.rpm
x86_64: firefox-115.3.1-1.el8_2.x86_64.rpm firefox-debuginfo-115.3.1-1.el8_2.x86_64.rpm firefox-debugsource-115.3.1-1.el8_2.x86_64.rpm
Red Hat Enterprise Linux AppStream TUS (v. 8.2):
Source: firefox-115.3.1-1.el8_2.src.rpm
x86_64: firefox-115.3.1-1.el8_2.x86_64.rpm firefox-debuginfo-115.3.1-1.el8_2.x86_64.rpm firefox-debugsource-115.3.1-1.el8_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-2023:5426-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5426
Issue date: 2023-10-04

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.2Advanced Update Support, Red Hat Enterprise Linux 8.2 TelecommunicationsUpdate Service, and Red Hat Enterprise Linux 8.2 Update Services for SAPSolutions.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 firefox web browser memory safety out-of-bounds write update service

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream AUS (v. 8.2) - x86_64

Red Hat Enterprise Linux AppStream E4S (v. 8.2) - ppc64le, x86_64

Red Hat Enterprise Linux AppStream TUS (v. 8.2) - x86_64

Bugs Fixed

2222652 - CVE-2023-3600 firefox: use-after-free in workers

2240893 - CVE-2023-5169 Mozilla: Out-of-bounds write in PathOps

2240894 - CVE-2023-5171 Mozilla: Use-after-free in Ion Compiler

2240896 - CVE-2023-5176 Mozilla: Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3

2241191 - CVE-2023-5217 libvpx: Heap buffer overflow in vp8 encoding in libvpx

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