Exposure of System Data to an Unauthorized Control Sphere Affecting firefox package, versions <0:140.4.0-3.el8_10


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (20th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-13559498
  • published16 Oct 2025
  • disclosed14 Oct 2025

Introduced: 14 Oct 2025

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

How to fix?

Upgrade RHEL:8 firefox to version 0:140.4.0-3.el8_10 or higher.
This issue was patched in RHSA-2025:18285.

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:8 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 affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.

CVSS Base Scores

version 3.1