Arbitrary Code Injection Affecting thunderbird package, versions [,128.13)[140.0-b1,140.1)[141.0-b1,141.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-10914947
  • published24 Jul 2025
  • disclosed22 Jul 2025
  • creditMirko Brodesser

Introduced: 22 Jul 2025

NewCVE-2025-8029  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 128.13, 140.1, 141.0 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Injection via the handling of object and embed tags. An attacker can execute arbitrary JavaScript code by embedding a specially crafted URL in these tags.

CVSS Base Scores

version 4.0
version 3.1