CVE-2025-6432CWE-200information-disclosure

CVE-2025-6432

High · published June 24, 2025

CVSS v3.1
8.6
EPSS
0%
Percentile
27.5
In the wild
Unconfirmed
What it is

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 was fixed in Firefox 140 and Thunderbird 140.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00350 · 27.5th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2025-06-24T17:15Z
Affected products (1)
ProductVersionsFixed in
mozilla/firefox< 140.0140.0
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=1943804 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-51/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-54/ · [email protected]
EPSS history
Timeline
  • 24 JUN 12:28Z
    DNS Requests leaked outside of a configured SOCKS proxy
    cvelistv5