1.0 Introduction
Recently, Mozilla has released security updates to address a high-severity vulnerabilitiy (CVE-2025-12380) in Firefox that could allow a compromised child process to trigger a use-after-free condition, potentially leading to sandbox escape and further compromise.
2.0 Impact
Successful exploitation of this vulnerability could allow an attacker to escape the browser sandbox and execute arbitrary code, potentially gaining further control over the affected system.
3.0 Affected Products
- Mozilla Firefox versions prior to 144.0.2
4.0 Recommendations
CyberSecurity Malaysia encourages users and administrators to review the following Mozilla security advisory and apply the necessary updates:
Kindly refer to the following URLs for more information:
Generally, Cyber999 advise users of these devices to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact Cyber999 Incident the Response Centre through the following channels:
E-mail: cyber999[at]cybersecurity.my
Phone: 1-300-88-2999 (monitored during business hours)
Mobile: +60 19 2665850 (24x7 call incident reporting)
Business Hours: Mon - Fri 08:30 -17:30 MYT
Web:
https://www.cybersecurity.my
5.0 References