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CVE-2025-14322

Date: December 9, 2025

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, and Firefox ESR < 140.6.

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2025-93/
https://www.mozilla.org/security/advisories/mfsa2025-92/
https://nvd.nist.gov/vuln/detail/CVE-2025-14322
https://bugzilla.mozilla.org/show_bug.cgi?id=1996473
https://www.mozilla.org/security/advisories/mfsa2025-95/
https://www.mozilla.org/security/advisories/mfsa2025-94/
https://www.mozilla.org/security/advisories/mfsa2025-96/
https://www.mend.io/vulnerability-database/CVE-2025-14322

Severity Score

Weakness Type (CWE)

Improper Check for Unusual or Exceptional Conditions

CWE-754

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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