Trust Boundary Violation Affecting firefox package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-CENTOS7-FIREFOX-16690975
  • published14 May 2026
  • disclosed28 Apr 2026

Introduced: 28 Apr 2026

CVE-2026-7321  (opens in a new tab)
CWE-501  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 firefox.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Centos. See How to fix? for Centos:7 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