9.1
Critical
CVE-2026-16393 Incorrect boundary conditions in the Graphics: WebGPU component
Description
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 153 | earliest → < 153 | 153 |
| Thunderbird 153 | earliest → < 153 | 153 |