Disclosure summary
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.
Source-reported weakness categories
CWE-754
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-14322
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| mozilla | firefox | * {"versionStartIncluding":"116.0","versionEndExcluding":"140.6.0"} |
| mozilla | firefox | * {"versionEndExcluding":"146.0"} |
| mozilla | thunderbird | * {"versionEndExcluding":"140.6.0"} |
| mozilla | thunderbird | * {"versionEndExcluding":"146.0"} |
Original records & references
- NIST NVD record
- CVE Program record
- bugzilla.mozilla.org — Issue Tracking, Permissions Required
- www.mozilla.org — Vendor Advisory
- www.mozilla.org — Vendor Advisory
- www.mozilla.org — Vendor Advisory
- www.mozilla.org — Vendor Advisory
- www.mozilla.org — Vendor Advisory
PUBLISHED 2025-12-09T11:17:39-05:00
MODIFIED 2026-10-07T16:10:01-04:00
INGESTED 2026-10-08T12:35:36-04:00