Improper Input Validation Affecting thunderbird package, versions <0:140.2.0-1.amzn2.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.13% (33rd percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-12852381
  • published17 Sept 2025
  • disclosed26 Jun 2025

Introduced: 26 Jun 2025

CVE-2025-6703  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:140.2.0-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2025-2999.

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.

Improper Input Validation vulnerability in Mozilla neqo leads to an unexploitable crash..This issue affects neqo: from 0.4.24 through 0.13.2.

CVSS Base Scores

version 3.1