REDHAT-BUG-2503420: Medium severity Mozilla Firefox vulnerability
Information disclosure in the Storage: IndexedDB 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
Mozilla Firefox (Storage: IndexedDB)to a version that resolves this vulnerability.Fixed in 153 - Upgrade
Upgrade
Mozilla Firefox ESR (Storage: IndexedDB)to a version that resolves this vulnerability.Fixed in 140.13
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2503420?
The severity of REDHAT-BUG-2503420 is classified as medium (4).
How do I fix REDHAT-BUG-2503420?
To fix REDHAT-BUG-2503420, update to Firefox version 153 or Firefox ESR version 140.13 or later.
What type of vulnerability is REDHAT-BUG-2503420?
REDHAT-BUG-2503420 is an information disclosure vulnerability in the Storage: IndexedDB component.
When was REDHAT-BUG-2503420 published?
REDHAT-BUG-2503420 was published on July 21, 2026.
Is REDHAT-BUG-2503420 present in all versions of Firefox?
No, REDHAT-BUG-2503420 was fixed starting from Firefox version 153 and Firefox ESR version 140.13.