CVE-2025-6432 Affecting firefox package, versions <140.0-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.06% (19th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-10498727
  • published25 Jun 2025
  • disclosed24 Jun 2025

Introduced: 24 Jun 2025

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

How to fix?

Upgrade Debian:unstable firefox to version 140.0-1 or higher.

NVD Description

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

When Multi-Account Containers was enabled, DNS requests could have bypassed a SOCKS proxy when the domain name was invalid or the SOCKS proxy was not responding. This vulnerability affects Firefox < 140.

CVSS Base Scores

version 3.1