{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-109770","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2026-10-13T00:48:51.726Z","datePublished":"2026-10-13T12:29:33.501Z","dateUpdated":"2026-10-19T20:35:28.223Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"status":"unaffected","version":"153.5","lessThanOrEqual":"153.*","versionType":"rpm"},{"status":"unaffected","version":"158","lessThanOrEqual":"*","versionType":"rpm"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"status":"unaffected","version":"153.5","lessThanOrEqual":"153.*","versionType":"rpm"},{"status":"unaffected","version":"158","lessThanOrEqual":"*","versionType":"rpm"}]}],"descriptions":[{"lang":"en","value":"Spoofing issue in the DOM: Web Serial component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.","supportingMedia":[{"type":"text/html","base64":false,"value":"Spoofing issue in the DOM: Web Serial component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5."}]}],"title":"Spoofing issue in the DOM: Web Serial component","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2059230"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-106/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-108/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-109/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-110/"}],"credits":[{"lang":"en","value":"Mozilla"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-10-13T18:17:25.100Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-20","lang":"en","description":"CWE-20 Improper Input Validation"}]}],"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.1,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T20:35:23.124059Z","id":"CVE-2026-109770","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-19T20:35:28.223Z"}}]}}