Home / mailings [RHSA-2023:5427-01] Important: firefox security update
Posted on 04 October 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: firefox security update
Advisory ID: RHSA-2023:5427-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5427
Issue date: 2023-10-04
CVE Names: CVE-2023-3600 CVE-2023-5169 CVE-2023-5171
CVE-2023-5176 CVE-2023-5217
=====================================================================
1. Summary:
An update for firefox is now available for Red Hat Enterprise Linux 9.0
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64
3. Description:
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.
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
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
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v.9.0):
Source:
firefox-115.3.1-1.el9_0.src.rpm
aarch64:
firefox-115.3.1-1.el9_0.aarch64.rpm
firefox-debuginfo-115.3.1-1.el9_0.aarch64.rpm
firefox-debugsource-115.3.1-1.el9_0.aarch64.rpm
ppc64le:
firefox-115.3.1-1.el9_0.ppc64le.rpm
firefox-debuginfo-115.3.1-1.el9_0.ppc64le.rpm
firefox-debugsource-115.3.1-1.el9_0.ppc64le.rpm
s390x:
firefox-115.3.1-1.el9_0.s390x.rpm
firefox-debuginfo-115.3.1-1.el9_0.s390x.rpm
firefox-debugsource-115.3.1-1.el9_0.s390x.rpm
x86_64:
firefox-115.3.1-1.el9_0.x86_64.rpm
firefox-debuginfo-115.3.1-1.el9_0.x86_64.rpm
firefox-debugsource-115.3.1-1.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/
7. 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
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
