{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-84142",
        "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "state": "PUBLISHED",
        "assignerShortName": "mozilla",
        "dateReserved": "2026-09-01T07:26:00.760Z",
        "datePublished": "2026-09-01T12:19:09.109Z",
        "dateUpdated": "2026-09-01T12:19:09.109Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Firefox",
                    "vendor": "Mozilla",
                    "versions": [
                        {
                            "status": "unaffected",
                            "version": "155",
                            "lessThanOrEqual": "*",
                            "versionType": "rpm"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Internally found bugs present in Firefox 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Internally found bugs present in Firefox 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155."
                        }
                    ]
                }
            ],
            "title": "Internally found bugs fixed in Firefox 155",
            "references": [
                {
                    "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=2029421%2C2040889%2C2045313%2C2045435%2C2053578%2C2058621%2C2058626",
                    "name": "Moderate Severity internally found bugs fixed in Firefox 155"
                },
                {
                    "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=2048796%2C2053150%2C2057356",
                    "name": "Low Severity internally found bugs fixed in Firefox 155"
                },
                {
                    "url": "https://www.mozilla.org/security/advisories/mfsa2026-82/"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Alexandre Poirot, Christian Holler, Sebastian Hengst and the Mozilla Fuzzing Team"
                }
            ],
            "providerMetadata": {
                "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
                "shortName": "mozilla",
                "dateUpdated": "2026-09-01T12:19:09.109Z"
            }
        }
    }
}