CVE-2026-0877

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[{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7."}, {"lang": "es", "value": "Elusi\u00f3n de mitigaci\u00f3n en el DOM: Componente de seguridad. Esta vulnerabilidad afecta a Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147 y Thunderbird < 140.7."}], "lastModified": "2026-07-15T02:17:57.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "D7C58C67-2B8D-493D-8914-F407E35B348A", "versionEndExcluding": "115.32.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "E06AF540-011D-4249-9815-3A4609DD26D1", "versionEndExcluding": "147.0"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "4FF5535D-A7D8-46C6-AA5A-8EB3762A9171", "versionEndExcluding": "140.7.0", "versionStartIncluding": "128.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "BFBAB968-3244-4970-8D02-CCF9D5FB958D", "versionEndExcluding": "140.7.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "47B67C0A-B05F-4212-9255-0446302237A5", "versionEndExcluding": "147.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}