{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-124858", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-11-09T14:45:13.165Z", "datePublished": "2026-11-10T13:28:06.892Z", "dateUpdated": "2026-11-10T13:28:06.892Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "unaffected", "version": "115.45", "lessThanOrEqual": "115.*", "versionType": "rpm"}, {"status": "unaffected", "version": "153.7", "lessThanOrEqual": "153.*", "versionType": "rpm"}, {"status": "unaffected", "version": "160", "lessThanOrEqual": "*", "versionType": "rpm"}]}], "descriptions": [{"lang": "en", "value": "Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7."}]}], "title": "Use-after-free in the DOM: HTML Parser component", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2074172"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-125/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-126/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-127/"}], "credits": [{"lang": "en", "value": "Amy Burnett of OpenAI"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-11-10T13:28:06.892Z"}}}}

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