CVE-2026-6771 Affecting firefox package, versions <0:140.10.0-1.0.1.el8_10


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.31% (23rd 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-ORACLE8-FIREFOX-16324306
  • published1 May 2026
  • disclosed21 Apr 2026

Introduced: 21 Apr 2026

CVE-2026-6771  (opens in a new tab)

How to fix?

Upgrade Oracle:8 firefox to version 0:140.10.0-1.0.1.el8_10 or higher.
This issue was patched in ELSA-2026-10766.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVSS Base Scores

version 3.1