Improper Input Validation Affecting thunderbird package, versions [,140.1)[141.0-b1,141.0)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.03% (7th 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 Learn

Learn about Improper Input Validation vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-10914929
  • published24 Jul 2025
  • disclosed22 Jul 2025
  • creditLaurin Weger

Introduced: 22 Jul 2025

NewCVE-2025-8038  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 140.1, 141.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation via improper validation of navigation paths in frames. An attacker can bypass navigation restrictions by crafting malicious links or scripts that exploit this flaw.

CVSS Base Scores

version 4.0
version 3.1