Origin Validation Error Affecting Firefox package, versions [,142.0)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-FIREFOX-12028691
- published20 Aug 2025
- disclosed19 Aug 2025
- creditUnknown
Introduced: 19 Aug 2025
NewCVE-2025-9180 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade Firefox to version 142.0 or higher.
Overview
Affected versions of this package are vulnerable to Origin Validation Error via the Canvas2D process. An attacker can access or manipulate data across different origins by exploiting improper enforcement of origin restrictions.
PoC
This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.