CVE-2025-55029
High
Description
Malicious scripts could bypass the popup blocker to spam new tabs, potentially resulting in denial of service attacks. This vulnerability was fixed in Firefox for iOS 142.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mozilla Firefox
PublishedAug 19, 2025
First seenAug 19, 2025
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- mozilla firefox142.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 142.0 | 142.0 |
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