REDHAT-BUG-2503498: Medium severity Mozilla Firefox vulnerability
Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 153 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 140.13
Event History
Frequently Asked Questions
What is the vulnerability associated with REDHAT-BUG-2503498?
REDHAT-BUG-2503498 describes a privilege escalation vulnerability in the DOM: Content Processes component of Mozilla Firefox.
What is the severity of REDHAT-BUG-2503498?
The severity of REDHAT-BUG-2503498 is classified as medium with a score of 4.
How do I fix REDHAT-BUG-2503498?
To fix REDHAT-BUG-2503498, upgrade to Firefox version 153 or Firefox ESR version 140.13.
What versions of software are affected by REDHAT-BUG-2503498?
The affected software includes Mozilla Firefox and Mozilla Firefox ESR prior to the versions mentioned in the fix.
When was REDHAT-BUG-2503498 published?
REDHAT-BUG-2503498 was published on July 21, 2026.