Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

Red Hat Enterprise Linux 8: RHSA-2023:5433-01 Important Firefox Update

red hat
Calendar Grey October 4, 2023
Dist Redhat Esm H88
In October 2023, Red Hat released a crucial Firefox security update for RHEL 8 to address vulnerabilities that could threaten user data and system integrity
An update for firefox 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

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 Enterprise Linux important firefox security impact memory safety out-of-bounds write

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 (v. 8):
Source: firefox-115.3.1-1.el8_8.src.rpm
aarch64: firefox-115.3.1-1.el8_8.aarch64.rpm firefox-debuginfo-115.3.1-1.el8_8.aarch64.rpm firefox-debugsource-115.3.1-1.el8_8.aarch64.rpm
ppc64le: firefox-115.3.1-1.el8_8.ppc64le.rpm firefox-debuginfo-115.3.1-1.el8_8.ppc64le.rpm firefox-debugsource-115.3.1-1.el8_8.ppc64le.rpm
s390x: firefox-115.3.1-1.el8_8.s390x.rpm firefox-debuginfo-115.3.1-1.el8_8.s390x.rpm firefox-debugsource-115.3.1-1.el8_8.s390x.rpm
x86_64: firefox-115.3.1-1.el8_8.x86_64.rpm firefox-debuginfo-115.3.1-1.el8_8.x86_64.rpm firefox-debugsource-115.3.1-1.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-2023:5433-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5433
Issue date: 2023-10-04

Topic

An update for firefox 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 firefox security impact memory safety out-of-bounds write

Relevant Releases Architectures

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here