Out-of-bounds Write Affecting thunderbird-ESR package, versions [,140.6)


Severity

Recommended
0.0
critical
0
10

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRDESR-14246595
  • published9 Dec 2025
  • disclosed9 Dec 2025
  • creditMaurice Dauer

Introduced: 9 Dec 2025

NewCVE-2025-14333  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade thunderbird-ESR to version 140.6 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write due to improper memory management. An attacker can execute arbitrary code by triggering memory corruption through crafted input.

CVSS Base Scores

version 4.0
version 3.1