CVE-2025-1011
High
Description
A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedFeb 4, 2025
First seenFeb 4, 2025
Weakness typeCWE-94Code injection
How to fix
Update
- mozilla firefox128.7.0, 135.0 or later
- mozilla thunderbird135.0, 128.7.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 128.7.0, v < 135.0 | 128.7.0, 135.0 |
| mozilla thunderbird | v < 135.0, 128.0.1 ≤ v < 128.7.0 | 135.0, 128.7.0 |
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