High severity8.6NVD Advisory· Published Jun 24, 2025· Updated Apr 13, 2026

CVE-2025-6432

Description

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.

Affected products

Mozilla Corporation/Firefox
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Range: <140.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.mozilla.org/security/advisories/mfsa2025-51/nvdVendor Advisory
bugzilla.mozilla.org/show_bug.cginvdPermissions Required
www.mozilla.org/security/advisories/mfsa2025-54/nvd

News mentions

No linked articles in our index yet.

cvss	0.559
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000