Race Condition Affecting firefox-debuginfo package, versions <0:140.17.0-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-AMZN2023-FIREFOXDEBUGINFO-20874585
  • published13 Oct 2026
  • disclosed1 Sept 2026

Introduced: 1 Sep 2026

CVE-2026-84136  (opens in a new tab)
CWE-368  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 firefox-debuginfo to version 0:140.17.0-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-3214.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-debuginfo package and not the firefox-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

CVSS Base Scores

version 3.1