An update for firefox is now available for Red Hat Enterprise Linux 10.

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.

Mozilla Firefox is an open-source web browser, designed for standards
 compliance, performance, and portability.

Security Fix(es):

* firefox: Out-of-bounds access when resolving Promise objects (CVE-2025-4918)

* firefox: Out-of-bounds access when optimizing linear sums (CVE-2025-4919)

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.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2025-4918: Out-of-bounds Write (CWE-787)
CVE-2025-4919: Out-of-bounds Write (CWE-787)