REDHAT-BUG-2503513: Integer Overflow
Integer overflow in the JavaScript: WebAssembly 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
Firefox (JavaScript: WebAssembly component)to a version that resolves this vulnerability.Fixed in 153 - Upgrade
Upgrade
Firefox ESR (JavaScript: WebAssembly component)to a version that resolves this vulnerability.Fixed in 140.13
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2503513?
The severity of REDHAT-BUG-2503513 is medium with a rating of 4.
How do I fix REDHAT-BUG-2503513?
To fix REDHAT-BUG-2503513, update to Firefox version 153 or Firefox ESR version 140.13 or later.
What component is affected by REDHAT-BUG-2503513?
REDHAT-BUG-2503513 affects the JavaScript: WebAssembly component in Mozilla Firefox.
What type of vulnerability is REDHAT-BUG-2503513?
REDHAT-BUG-2503513 is classified as an Integer Overflow vulnerability.
When was REDHAT-BUG-2503513 published?
REDHAT-BUG-2503513 was published on July 21, 2026.