CVE-2025-14322
Dec. 10, 2025, 8:42 p.m.
8.0
High
Description
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Mozilla |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-754
Improper Check for Unusual or Exceptional Conditions
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | mozilla | firefox | / | / | / | / | esr | / | / | / |
| a | mozilla | firefox | / | / | / | / | - | / | / | / |
| a | mozilla | firefox | / | / | / | / | esr | / | / | / |
| a | mozilla | thunderbird | / | / | / | / | esr | / | / | / |
| a | mozilla | thunderbird | / | / | / | / | - | / | / | / |
References
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: NETWORK
- Attack Complexity: HIGH
- Privileges Required: NONE
- Scope: CHANGED
- Confidentiality Impact: HIGH
- Integrity Impact: HIGH
- Availability Impact: NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Timeline
Published: Dec. 9, 2025, 4:17 p.m.
Last Modified: Dec. 10, 2025, 8:42 p.m.
Last Modified: Dec. 10, 2025, 8:42 p.m.
Status : Analyzed
CVE has had analysis completed and all data associations made.
More infoSource
security@mozilla.org
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.