CVE-2026-6771 Affecting firefox package, versions <0:140.10.0-1.0.1.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-ORACLE7-FIREFOX-17346906
  • published16 Jun 2026
  • disclosed21 Apr 2026

Introduced: 21 Apr 2026

CVE-2026-6771  (opens in a new tab)

How to fix?

Upgrade Oracle:7 firefox to version 0:140.10.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2026-19704.

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:7 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