Out-of-Bounds 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% (11th 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-THUNDERBIRD-10914965
  • published24 Jul 2025
  • disclosed22 Jul 2025
  • creditNan Wang

Introduced: 22 Jul 2025

NewCVE-2025-8027  (opens in a new tab)
CWE-119  (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 Out-of-Bounds in the interaction between IonMonkey-JIT and Baseline-JIT processes. An attacker can potentially execute arbitrary code or cause a crash by exploiting the mismatch in how 64-bit return values are written and read on the stack.

CVSS Base Scores

version 4.0
version 3.1