Out-of-bounds Write Affecting thunderbird package, versions <0:140.11.1-1.amzn2.0.2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-17286512
  • published10 Jun 2026

Introduced: 10 Jun 2026

CVE-2026-8974  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:140.11.1-1.amzn2.0.2 or higher.
This issue was patched in ALAS2-2026-3340.

NVD Description

This vulnerability has not been analyzed by NVD yet.

CVSS Base Scores

version 3.1