8.1
High
CVE-2025-9180 Same-origin policy bypass in the Graphics: Canvas2D component
Description
Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 142 | earliest → < 142 | 142 |
| Firefox 140.2 | earliest → < 140.2 | 140.2 |
| Firefox 128.14 | earliest → < 128.14 | 128.14 |
| Firefox 115.27 | earliest → < 115.27 | 115.27 |
| Firefox ESR 140.2 | earliest → < 140.2 | 140.2 |
| Thunderbird 142 | earliest → < 142 | 142 |
| Thunderbird 140.2 | earliest → < 140.2 | 140.2 |
| Thunderbird 128.14 | earliest → < 128.14 | 128.14 |
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