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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 vulnerability was fixed in Firefox 140 and Thunderbird 140.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:113ab000a5f6ac0bc5dced92e1fb7f778bbff78ed8945f624a218506dc30eda7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"140","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/cna/affected/0

{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"140","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"140","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/cna/affected/0
{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"*","status":"unaffected","version":"140","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1943804"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/cna/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2025-51/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/cna/references/1
{"url":"https://www.mozilla.org/security/advisories/mfsa2025-54/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff37d7bc975728e941429540d98e57daccf5d840b7221196d20016bc971d3c70 · sha256:e26ed3fc5e612366… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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