RHSA-2025:8645: 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.Security Fix(es): firefox: thunderbird: Out-of-bounds access when resolving Promise objects (CVE-2025-4918) firefox: thunderbird: 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.
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2025:8645?
The severity of RHSA-2025:8645 is classified as important.
How do I fix RHSA-2025:8645?
To fix RHSA-2025:8645, you should update Mozilla Firefox to version 128.10.1-1.el8_6 or higher.
What vulnerabilities are addressed in RHSA-2025:8645?
RHSA-2025:8645 addresses an out-of-bounds access issue when resolving Promise objects, identified as CVE-2025-4918.
Which systems are affected by RHSA-2025:8645?
RHSA-2025:8645 affects Red Hat Enterprise Linux systems running Mozilla Firefox versions prior to 128.10.1-1.el8_6.
Is RHSA-2025:8645 related to other vulnerabilities?
Yes, RHSA-2025:8645 is specifically related to the CVE-2025-4918 vulnerability.