4.3
Medium
CVE-2026-12303 Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component
Description
Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 152 | earliest → < 152 | 152 |
| Thunderbird 152 | earliest → < 152 | 152 |
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