CVE-2026-7321 Affecting firefox package, versions <0:140.10.1-1.0.1.el8_10


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.26% (17th percentile)

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  • Snyk IDSNYK-ORACLE8-FIREFOX-16874413
  • published25 May 2026
  • disclosed28 Apr 2026

Introduced: 28 Apr 2026

CVE-2026-7321  (opens in a new tab)

How to fix?

Upgrade Oracle:8 firefox to version 0:140.10.1-1.0.1.el8_10 or higher.
This issue was patched in ELSA-2026-19588.

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.

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.

CVSS Base Scores

version 3.1