CVE-2026-6779
Medium
Description
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Mozilla Firefox
PublishedApr 21, 2026
First seenApr 21, 2026
How to fix
Update
- mozilla firefox150.0 or later
- mozilla thunderbird150.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 150.0 | 150.0 |
| mozilla thunderbird | v < 150.0 | 150.0 |
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