REDHAT-BUG-2489232: High severity Mozilla Firefox vulnerability
Sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefox (Security: Process Sandboxing)to a version that resolves this vulnerability.Fixed in 152 - Upgrade
Upgrade
Firefox ESR (Security: Process Sandboxing)to a version that resolves this vulnerability.Fixed in 140.12
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2489232?
The severity of REDHAT-BUG-2489232 is classified as high with a score of 7.
How do I fix REDHAT-BUG-2489232?
To fix REDHAT-BUG-2489232, update to Firefox version 152 or Firefox ESR version 140.12.
What type of vulnerability is REDHAT-BUG-2489232?
REDHAT-BUG-2489232 is classified as a sandbox escape vulnerability affecting the Security: Process Sandboxing component.
When was REDHAT-BUG-2489232 published?
REDHAT-BUG-2489232 was published on June 16, 2026.
Which software is affected by REDHAT-BUG-2489232?
REDHAT-BUG-2489232 affects Mozilla Firefox and Mozilla Firefox ESR version 140.12.