- 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 affects Firefox < 140 and Thunderbird < 140.
- Source
- security@mozilla.org
- NVD status
- Modified
CVSS 3.1
- Type
- Secondary
- Base score
- 8.6
- Impact score
- 4.7
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
- Severity
- HIGH
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- CWE-200
- Hype score
- Not currently trending
Firefox 140.0 has arrived (it’s one of Mozilla’s full-release Tuesdays). No 0-days this time, but there is one fix that’s intriguing even though it’s rated “low” severity: CVE-2025-6432 (DNS Requests leaked outside of a configured SOCKS proxy). https://t.co/w3mGL6q7
@duckblog
24 Jun 2025
194 Impressions
0 Retweets
2 Likes
0 Bookmarks
0 Replies
0 Quotes
CVE-2025-6432 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 v… https://t.co/tgDApAWFmD
@CVEnew
24 Jun 2025
332 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*",
"vulnerable": true,
"matchCriteriaId": "77D2BF2A-26A3-4664-93B5-B41BCF17AC9E",
"versionEndExcluding": "140.0"
}
],
"operator": "OR"
}
]
}
]