{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-84144",
        "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "state": "PUBLISHED",
        "assignerShortName": "mozilla",
        "dateReserved": "2026-09-01T07:26:01.858Z",
        "datePublished": "2026-09-01T12:19:11.104Z",
        "dateUpdated": "2026-09-01T12:19:11.104Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Firefox",
                    "vendor": "Mozilla",
                    "versions": [
                        {
                            "status": "unaffected",
                            "version": "153.2",
                            "lessThanOrEqual": "153.*",
                            "versionType": "rpm"
                        },
                        {
                            "status": "unaffected",
                            "version": "155",
                            "lessThanOrEqual": "*",
                            "versionType": "rpm"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Internally found bugs present in Firefox 154 and Firefox ESR 153.1. 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 and Firefox ESR 153.2.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Internally found bugs present in Firefox 154 and Firefox ESR 153.1. 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 and Firefox ESR 153.2."
                        }
                    ]
                }
            ],
            "title": "Internally found bugs fixed in Firefox 155 and Firefox ESR 153.2",
            "references": [
                {
                    "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=2054619%2C2054620%2C2054624%2C2054702%2C2054726%2C2054775%2C2055703%2C2058006%2C2058013%2C2058098%2C2058627%2C2058661%2C2059127%2C2059128%2C2059180%2C2059199%2C2059205%2C2061320%2C2061430%2C2061495%2C2061505%2C2061532%2C2061799",
                    "name": "Moderate Severity internally found bugs fixed in Firefox 155 and Firefox ESR 153.2"
                },
                {
                    "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=2054625%2C2059002%2C2061775",
                    "name": "High Severity internally found bugs fixed in Firefox 155 and Firefox ESR 153.2"
                },
                {
                    "url": "https://bugzilla.mozilla.org/buglist.cgi?bug_id=2054691%2C2058085%2C2059144%2C2059191%2C2059192%2C2061521%2C2062395%2C2062404",
                    "name": "Low Severity internally found bugs fixed in Firefox 155 and Firefox ESR 153.2"
                },
                {
                    "url": "https://www.mozilla.org/security/advisories/mfsa2026-82/"
                },
                {
                    "url": "https://www.mozilla.org/security/advisories/mfsa2026-85/"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Leo Tenenbaum, Tom Ritter and the Mozilla Fuzzing Team"
                }
            ],
            "providerMetadata": {
                "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
                "shortName": "mozilla",
                "dateUpdated": "2026-09-01T12:19:11.104Z"
            }
        }
    }
}