CVE-2021-43529

{"id": "CVE-2021-43529", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2023-02-16T22:15:10.810", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-43529", "tags": ["Issue Tracking"], "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-43529", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS signatures."}, {"lang": "es", "value": "Las versiones de Thunderbird anteriores a la 91.3.0 son vulnerables al desbordamiento del almacenamiento din\u00e1mico descrito en CVE-2021-43527 al procesar mensajes S/MIME. Las versiones 91.3.0 y posteriores de Thunderbird no llamar\u00e1n al c\u00f3digo vulnerable al procesar mensajes S/MIME que contengan certificados con firmas DSA o RSA-PSS codificadas en DER."}], "lastModified": "2024-11-21T06:29:21.793", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "65E19CA9-5FDF-4253-8D56-FD82239F7D93", "versionEndExcluding": "91.3.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}