CVE-2026-92074 (GCVE-0-2026-92074)
Vulnerability from cvelistv5
Published
2026-09-15 12:34
Modified
2026-09-16 14:24
Severity ?
Summary
Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 153.3
Unaffected: 156
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   Mozilla Thunderbird Unaffected: 153.3
Unaffected: 156
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Finn Westendorf"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3."
            }
          ],
          "value": "Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T14:24:45.058Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2063539"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
        },
        {
          "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/mfsa2026-96/"
        }
      ],
      "title": "Mitigation bypass in the Popup Blocker component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-92074",
    "datePublished": "2026-09-15T12:34:36.123Z",
    "dateReserved": "2026-09-15T12:34:35.643Z",
    "dateUpdated": "2026-09-16T14:24:45.058Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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