Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.
CVSS Details
- CVSS 3.1 Base Score: 8.6
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade firefox | Dec 10, 2025 | Nov 2, 2025 |
| Mfsa2025 80 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 143.0.3 | Oct 1, 2025 | Sep 30, 2025 |
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