Out-of-bounds Write Affecting thunderbird package, versions [,140.4)[141.0,144.0)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

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-THUNDERBIRD-13544604
  • published14 Oct 2025
  • disclosed14 Oct 2025
  • creditOskar L

Introduced: 14 Oct 2025

NewCVE-2025-11709  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 140.4, 144.0 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write via manipulated WebGL textures in a compromised web process. An attacker can access or modify memory in a more privileged process by exploiting crafted WebGL texture data.

CVSS Base Scores

version 4.0
version 3.1