RHSA-2025:8639: Important: firefox security update
Important: firefox security update
Other sources
Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.<br>Security Fix(es):<br><li> firefox: thunderbird: Out-of-bounds access when resolving Promise objects (CVE-2025-4918)</li> <li> firefox: thunderbird: Out-of-bounds access when optimizing linear sums (CVE-2025-4919)</li> 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.
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2025:8639?
The severity of RHSA-2025:8639 is classified as important.
What does RHSA-2025:8639 address?
RHSA-2025:8639 addresses a security vulnerability in the Firefox web browser.
Who is affected by RHSA-2025:8639?
RHSA-2025:8639 affects users of Red Hat Enterprise Linux Server.
How do I fix RHSA-2025:8639?
To fix RHSA-2025:8639, you should update your Firefox installation to the latest version.
Is there a specific version of Firefox affected by RHSA-2025:8639?
Yes, RHSA-2025:8639 affects certain versions of Firefox included in the Red Hat Enterprise Linux distributions.