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CVE-2025-8036

Thunderbird cached CORS preflight responses across IP address changes. This allowed circumventing CORS with DNS rebinding. This vulnerability was fixed in Firefox 141, Firefox ESR 140.1, Thunderbird 141, and Thunderbird 140.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b30f86fd68d9e494ae88bb9b809c970722deadb62e87daa099ef51b30c0bf982
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":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.1","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"141","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/affected/1

{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.1","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"141","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"Thunderbird","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.1","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"141","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/affected/1
{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"140.*","status":"unaffected","version":"140.1","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"141","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-350","description":"CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

6 source assertions
{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1960834"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/references/0
{"url":"https://www.kb.cert.org/vuls/id/652514"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/adp/1/references/0
{"url":"https://www.mozilla.org/security/advisories/mfsa2025-56/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/references/1
{"url":"https://www.mozilla.org/security/advisories/mfsa2025-59/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/references/2
{"url":"https://www.mozilla.org/security/advisories/mfsa2025-61/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/references/3
{"url":"https://www.mozilla.org/security/advisories/mfsa2025-63/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:042cd4941091f82854cb3fed26fbca224ab40e952c40d1d8f9dd09beb62daa3c · sha256:2ae34f25d28e8ec8… · /containers/cna/references/4

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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