CVE-2025-3034
High
Description
Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 137 and Thunderbird 137.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Mozilla Firefox
PublishedApr 1, 2025
First seenApr 1, 2025
How to fix
Update
- mozilla firefox137.0 or later
- mozilla thunderbird137.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 137.0 | 137.0 |
| mozilla thunderbird | v < 137.0 | 137.0 |
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