CVE-2025-14322
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component
- State
- Published
- Severity
- 8.0 High
- Published
- Dec 9, 2025
- Updated
- Apr 13, 2026
- Reserved
- Dec 9, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.0 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N | CISA-ADP |
Weaknesses
- CWE-754 Improper Check for Unusual or Exceptional Conditions
Affected Products
| Product | Versions |
|---|---|
FirefoxMozilla |
|
ThunderbirdMozilla |
|
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1996473
- https://www.mozilla.org/security/advisories/mfsa2025-92/
- https://www.mozilla.org/security/advisories/mfsa2025-93/
- https://www.mozilla.org/security/advisories/mfsa2025-94/
- https://www.mozilla.org/security/advisories/mfsa2025-95/
- https://www.mozilla.org/security/advisories/mfsa2025-96/
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