{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-124891", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-11-09T14:46:28.337Z", "datePublished": "2026-11-10T13:28:24.228Z", "dateUpdated": "2026-11-10T14:45:11.609Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "unaffected", "version": "153.7", "lessThanOrEqual": "153.*", "versionType": "rpm"}, {"status": "unaffected", "version": "160", "lessThanOrEqual": "*", "versionType": "rpm"}]}], "descriptions": [{"lang": "en", "value": "Incorrect boundary conditions in the DOM: Selection component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Incorrect boundary conditions in the DOM: Selection component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7."}]}], "title": "Incorrect boundary conditions in the DOM: Selection component", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2082075"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-125/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-127/"}], "credits": [{"lang": "en", "value": "OpenAI Codex Security (kylebot)"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-11-10T13:28:24.228Z"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-124891", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-10T14:43:14.472047Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-10T14:45:11.609Z"}}]}}

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{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThanOrEqual": "153.*", "status": "unaffected", "version": "153.7", "versionType": "rpm"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "160", "versionType": "rpm"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect boundary conditions in the DOM: Selection component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7."}], "id": "CVE-2026-124891", "lastModified": "2026-11-10T14:17:22.647", "metrics": {}, "published": "2026-11-10T14:17:22.647", "references": [{"source": "[email protected]", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2082075"}, {"source": "[email protected]", "url": "https://www.mozilla.org/security/advisories/mfsa2026-125/"}, {"source": "[email protected]", "url": "https://www.mozilla.org/security/advisories/mfsa2026-127/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received"}

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