REDHAT-BUG-2489207: High severity Mozilla Firefox vulnerability
Sandbox escape in the DOM: Workers component. 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
Mozilla Firefox (Workers component)to a version that resolves this vulnerability.Fixed in 152 - Upgrade
Upgrade
Mozilla Firefox ESR (Workers component)to a version that resolves this vulnerability.Fixed in 140.12 - Upgrade
Upgrade
Mozilla Firefox ESR (Workers component)to a version that resolves this vulnerability.Fixed in 115.37
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2489207?
The severity of REDHAT-BUG-2489207 is classified as high with a score of 7.
How do I fix REDHAT-BUG-2489207?
To fix REDHAT-BUG-2489207, you must update to Firefox version 152 or later, Firefox ESR 140.12 or later, or Firefox ESR 115.37 or later.
What component is affected by REDHAT-BUG-2489207?
REDHAT-BUG-2489207 affects the Workers component of the DOM in Mozilla Firefox.
When was REDHAT-BUG-2489207 published?
REDHAT-BUG-2489207 was published on June 16, 2026.
What vulnerability allows for sandbox escape in REDHAT-BUG-2489207?
REDHAT-BUG-2489207 is a vulnerability that allows for sandbox escape in the DOM related to the Workers component.