Incorrect Privilege Assignment Affecting firefox-debuginfo package, versions <0:140.12.0-1.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.4% (32nd percentile)

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  • Snyk IDSNYK-AMZN2023-FIREFOXDEBUGINFO-17889307
  • published8 Jul 2026
  • disclosed16 Jun 2026

Introduced: 16 Jun 2026

CVE-2026-12289  (opens in a new tab)
CWE-266  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 firefox-debuginfo to version 0:140.12.0-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1928.

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.

Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

CVSS Base Scores

version 3.1