CVE-2026-8950 Affecting firefox package, versions <0:140.11.0-1.0.1.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.19% (10th percentile)

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  • Snyk IDSNYK-ORACLE7-FIREFOX-17759043
  • published1 Jul 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

CVE-2026-8950  (opens in a new tab)

How to fix?

Upgrade Oracle:7 firefox to version 0:140.11.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2026-26551.

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.

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS Base Scores

version 3.1