[RHSA-2023:5198-01] Important: firefox security update
Red Hat Security Advisory
Synopsis: Important: firefox security update
Advisory ID: RHSA-2023:5198-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5198
Issue date: 2023-09-18
CVE Names: CVE-2023-4863
An update for firefox is now available for Red Hat Enterprise Linux 8.6
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.8.6) - aarch64, ppc64le, s390x, x86_64
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.
* 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.
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
After installing the update, Firefox must be restarted for the changes to
5. Bugs fixed ( https://bugzilla.redhat.com/):
2238431 - CVE-2023-4863 libwebp: Heap buffer overflow in WebP Codec
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v.8.6):
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is [firstname.lastname@example.org]. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
A firefox security update has been released for Red Hat Enterprise Linux 8.6.