REDHAT-BUG-2503472: Medium severity Mozilla Firefox vulnerability
Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, 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 115.38 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 140.13
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2503472?
The severity of REDHAT-BUG-2503472 is medium with a score of 4.
How do I fix REDHAT-BUG-2503472?
To fix REDHAT-BUG-2503472, update to Firefox 153, Firefox ESR 115.38, or Firefox ESR 140.13.
What component is affected by REDHAT-BUG-2503472?
REDHAT-BUG-2503472 affects the WebRender component in the Graphics module of Mozilla Firefox.
When was REDHAT-BUG-2503472 published?
REDHAT-BUG-2503472 was published on July 21, 2026.
What does the site isolation issue in REDHAT-BUG-2503472 entail?
The site isolation issue in REDHAT-BUG-2503472 relates to security vulnerabilities in the way WebRender handles graphics rendering.