Origin Validation Error Affecting thunderbird-ESR package, versions [,140.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (12th percentile)

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-THUNDERBIRDESR-12869205
  • published17 Sept 2025
  • disclosed16 Sept 2025
  • creditUnknown

Introduced: 16 Sep 2025

NewCVE-2025-10529  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade thunderbird-ESR to version 140.3 or higher.

Overview

Affected versions of this package are vulnerable to Origin Validation Error via the rendering process. An attacker can execute arbitrary code or cause a denial of service by enticing a user to visit a specially crafted web page.

CVSS Base Scores

version 4.0
version 3.1