Information Exposure Affecting Firefox package, versions [,140.0-beta1)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (19th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-10558104
  • published27 Jun 2025
  • disclosed24 Jun 2025
  • creditAlbert

Introduced: 24 Jun 2025

NewCVE-2025-6432  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Firefox to version 140.0-beta1 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure via the SOCKS proxy configuration. An attacker can gain access to sensitive DNS request information by monitoring network traffic outside the intended proxy tunnel.

CVSS Base Scores

version 4.0
version 3.1