CVE-2026-5733
High
Description
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedApr 7, 2026
First seenApr 7, 2026
How to fix
Update
- mozilla firefox149.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 149.0.2 | 149.0.2 |
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