Authentication Bypass Affecting thunderbird package, versions <0:140.7.1-1.amzn2.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.38% (32nd percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-15324159
  • published20 Feb 2026
  • disclosed9 Dec 2025

Introduced: 9 Dec 2025

CVE-2025-14327  (opens in a new tab)
CWE-290  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:140.7.1-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2026-3167.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Spoofing issue in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7.

CVSS Base Scores

version 3.1