{"id":"CVE-2025-8036","state":"PUBLISHED","title":"DNS rebinding circumvents CORS","description":"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.","publishedAt":"2025-07-22T20:49:25.303Z","updatedAt":"2026-07-29T14:54:46.228Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.1","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"141","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.1","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"141","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1960834","https://www.mozilla.org/security/advisories/mfsa2025-56/","https://www.mozilla.org/security/advisories/mfsa2025-59/","https://www.mozilla.org/security/advisories/mfsa2025-61/","https://www.mozilla.org/security/advisories/mfsa2025-63/","https://www.kb.cert.org/vuls/id/652514"],"weaknesses":["CWE-350"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/8xxx/CVE-2025-8036.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-8036","state":"PUBLISHED","datePublished":"2025-07-22T20:49:25.303Z","dateUpdated":"2026-07-29T14:54:46.228Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2025-07-22T10:14:02.586Z"},"containers":{"cna":{"title":"DNS rebinding circumvents CORS","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.1","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"141","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.1","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"141","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1960834"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-56/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-59/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-61/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-63/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-04-13T14:26:51.977Z"},"credits":[{"lang":"en","value":"Viktor Bocz"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-07-23T14:26:17.781838Z","id":"CVE-2025-8036","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-350","type":"CWE","lang":"en","description":"CWE-350 Reliance on Reverse DNS Resolution for a Security-Critical Action"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-29T14:54:46.228Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.kb.cert.org/vuls/id/652514"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:45:30.593Z"}}]}}}