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Red Hat: RHSA-2023-5488-01 Critical Firefox Patch Enhancement

red hat
Calendar Grey October 5, 2023
Dist Redhat Esm H88
Crucial Firefox security patch for Red Hat Enterprise Linux 7 tackles severe vulnerabilities and improves overall browser protection.
An update for firefox 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

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 Red Hat update important software fix firefox memory safety

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 Client (v. 7):
Source: firefox-115.3.1-1.el7_9.src.rpm
x86_64: firefox-115.3.1-1.el7_9.x86_64.rpm firefox-debuginfo-115.3.1-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-115.3.1-1.el7_9.i686.rpm firefox-debuginfo-115.3.1-1.el7_9.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-115.3.1-1.el7_9.src.rpm
ppc64: firefox-115.3.1-1.el7_9.ppc64.rpm firefox-debuginfo-115.3.1-1.el7_9.ppc64.rpm
ppc64le: firefox-115.3.1-1.el7_9.ppc64le.rpm firefox-debuginfo-115.3.1-1.el7_9.ppc64le.rpm
s390x: firefox-115.3.1-1.el7_9.s390x.rpm firefox-debuginfo-115.3.1-1.el7_9.s390x.rpm
x86_64: firefox-115.3.1-1.el7_9.x86_64.rpm firefox-debuginfo-115.3.1-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-115.3.1-1.el7_9.i686.rpm firefox-debuginfo-115.3.1-1.el7_9.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-115.3.1-1.el7_9.src.rpm
x86_64: firefox-115.3.1-1.el7_9.x86_64.rpm firefox-debuginfo-115.3.1-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: firefox-115.3.1-1.el7_9.i686.rpm firefox-debuginfo-115.3.1-1.el7_9.i686.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5477-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5477
Issue date: 2023-10-05

Topic

An update for firefox 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.

Topics%20covered

Topics Covered

security advisory Red Hat update important software fix firefox memory safety

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - 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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