{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8090", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-05-07T12:45:04.220Z", "datePublished": "2026-05-07T12:45:04.609Z", "dateUpdated": "2026-05-08T12:19:00.246Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "unaffected", "version": "115.35.2", "lessThanOrEqual": "115.*", "versionType": "rpm"}, {"status": "unaffected", "version": "140.10.2", "lessThanOrEqual": "140.*", "versionType": "rpm"}, {"status": "unaffected", "version": "150.0.2", "lessThanOrEqual": "*", "versionType": "rpm"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"status": "unaffected", "version": "140.10.2", "lessThanOrEqual": "140.*", "versionType": "rpm"}, {"status": "unaffected", "version": "150.0.2", "lessThanOrEqual": "*", "versionType": "rpm"}]}], "descriptions": [{"lang": "en", "value": "Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2."}]}], "title": "Use-after-free in the DOM: Networking component", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2034352"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-40/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-41/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-42/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-43/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-44/"}], "credits": [{"lang": "en", "value": "Kevin Brosnan"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-05-08T12:19:00.246Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-416", "lang": "en", "description": "CWE-416 Use After Free"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-07T13:49:35.910481Z", "id": "CVE-2026-8090", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-05-07T13:49:45.916Z"}}]}}