CVE-2025-0241
High
Description
When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Mozilla Firefox
PublishedJan 7, 2025
First seenJan 7, 2025
Weakness typeCWE-401CWE-401
How to fix
Update
- mozilla firefox128.6.0, 134.0 or later
- mozilla thunderbird128.6.0, 134.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 128.6.0, v < 134.0 | 128.6.0, 134.0 |
| mozilla thunderbird | v < 128.6.0, 129.0 ≤ v < 134.0 | 128.6.0, 134.0 |
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