Exposure of System Data to an Unauthorized Control Sphere Affecting firefox package, versions <0:140.4.0-3.el9_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.39% (33rd percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOX-13894871
  • published12 Nov 2025
  • disclosed14 Oct 2025

Introduced: 14 Oct 2025

CVE-2025-11710  (opens in a new tab)
CWE-497  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox to version 0:140.4.0-3.el9_4 or higher.
This issue was patched in RHSA-2025:21059.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

CVSS Base Scores

version 3.1