{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109776", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-10-13T00:49:06.510Z", "datePublished": "2026-10-13T12:29:34.739Z", "dateUpdated": "2026-10-13T12:29:34.739Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"status": "unaffected", "version": "153.5", "lessThanOrEqual": "153.*", "versionType": "rpm"}, {"status": "unaffected", "version": "158", "lessThanOrEqual": "*", "versionType": "rpm"}]}], "descriptions": [{"lang": "en", "value": "Race condition in the XPCOM component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Race condition in the XPCOM component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5."}]}], "title": "Race condition in the XPCOM component", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2069395"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-106/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2026-108/"}], "credits": [{"lang": "en", "value": "Mozilla"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-10-13T12:29:34.739Z"}}}}

{}

{"affected": [{"affectedData": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThanOrEqual": "153.*", "status": "unaffected", "version": "153.5", "versionType": "rpm"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "158", "versionType": "rpm"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Race condition in the XPCOM component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5."}], "id": "CVE-2026-109776", "lastModified": "2026-10-13T13:17:28.507", "metrics": {}, "published": "2026-10-13T13:17:28.507", "references": [{"source": "[email protected]", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2069395"}, {"source": "[email protected]", "url": "https://www.mozilla.org/security/advisories/mfsa2026-106/"}, {"source": "[email protected]", "url": "https://www.mozilla.org/security/advisories/mfsa2026-108/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received"}

{}

{}