CVE-2025-14322
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component
CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 9, 2025 |
| Last Updated | Apr 13, 2026 |
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Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1996473 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-92/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-93/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-94/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-95/ mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-96/
Credits
Oskar L