REDHAT-BUG-2489210: High severity Mozilla Firefox vulnerability
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, and Firefox ESR 115.37.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 152 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 140.12 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 115.37
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2489210?
The severity of REDHAT-BUG-2489210 is high, rated at 7.
How do I fix REDHAT-BUG-2489210?
To fix REDHAT-BUG-2489210, update to Firefox version 152, Firefox ESR 140.12, or Firefox ESR 115.37.
What type of vulnerability is REDHAT-BUG-2489210?
REDHAT-BUG-2489210 is a memory safety bug in Mozilla Firefox.
When was REDHAT-BUG-2489210 published?
REDHAT-BUG-2489210 was published on June 16, 2026.
Which software versions are affected by REDHAT-BUG-2489210?
REDHAT-BUG-2489210 affects Mozilla Firefox and Mozilla Firefox ESR versions prior to the fixes in 152, 140.12, and 115.37.