Insufficient Granularity of Access Control Affecting firefox-debugsource package, versions <0:140.13.0-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.32% (24th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2023-FIREFOXDEBUGSOURCE-18911926
  • published18 Aug 2026
  • disclosed21 Jul 2026

Introduced: 21 Jul 2026

CVE-2026-16390  (opens in a new tab)
CWE-1220  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 firefox-debugsource to version 0:140.13.0-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-2069.

NVD Description

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

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVSS Base Scores

version 3.1