CVE-2026-92019 (GCVE-0-2026-92019)
Vulnerability from cvelistv5
Published
2026-09-15 12:33
Modified
2026-09-16 14:24
Severity ?
Summary
Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 115.41
Unaffected: 140.16
Unaffected: 153.3
Unaffected: 156
 Create a notification for this product.
   Mozilla Thunderbird Unaffected: 140.16
Unaffected: 153.3
Unaffected: 156
 Create a notification for this product.
Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.41",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Shu Takahashi"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
            }
          ],
          "value": "Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T14:24:33.505Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2065636"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
        }
      ],
      "title": "Mitigation bypass in the Remote Settings Client component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-92019",
    "datePublished": "2026-09-15T12:33:39.132Z",
    "dateReserved": "2026-09-15T12:33:38.619Z",
    "dateUpdated": "2026-09-16T14:24:33.505Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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