CVE-2010-4699

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[{"lang": "en", "value": "The iconv_mime_decode_headers function in the Iconv extension in PHP before 5.3.4 does not properly handle encodings that are unrecognized by the iconv and mbstring (aka Multibyte String) implementations, which allows remote attackers to trigger an incomplete output array, and possibly bypass spam detection or have unspecified other impact, via a crafted Subject header in an e-mail message, as demonstrated by the ks_c_5601-1987 character set."}, {"lang": "es", "value": "La funci\u00f3n iconv_mime_decode_headers en la extensi\u00f3n Iconv para PHP anterior a v5.3.4 no controla adecuadamente las codificaciones que no son reconocidas por las implementaciones iconv y mbstring (tambi\u00e9n conocido como cadena multibyte), lo que permite a atacantes remotos provocar una matriz de salida incompleta, y posiblemente evitar la detecci\u00f3n de spam o tener un impacto no especificado, a trav\u00e9s de una cabecera \"Asunto\" manipulada en un mensaje de correo electr\u00f3nico, como lo demuestra el conjunto de caracteres ks_c_5601-1987."}], "id": "CVE-2010-4699", "lastModified": "2026-06-16T23:25:22.397", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-01-18T20:00:10.783", "references": [{"source": "cve@mitre.org", "url": "http://bugs.php.net/52941"}, {"source": "cve@mitre.org", "url": "http://coding.derkeiler.com/Archive/PHP/php.general/2007-04/msg00605.html"}, {"source": "cve@mitre.org", "url": "http://www.php.net/ChangeLog-5.php"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64963"}, {"source": "cve@mitre.org", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12393"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://bugs.php.net/52941"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://coding.derkeiler.com/Archive/PHP/php.general/2007-04/msg00605.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.php.net/ChangeLog-5.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64963"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12393"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "php: iconv_mime_decode_headers skips headers using unsupported encoding", "id": "670806", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=670806"}, "csaw": false, "details": ["The iconv_mime_decode_headers function in the Iconv extension in PHP before 5.3.4 does not properly handle encodings that are unrecognized by the iconv and mbstring (aka Multibyte String) implementations, which allows remote attackers to trigger an incomplete output array, and possibly bypass spam detection or have unspecified other impact, via a crafted Subject header in an e-mail message, as demonstrated by the ks_c_5601-1987 character set."], "name": "CVE-2010-4699", "public_date": "2010-09-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-4699"], "statement": "Red Hat does not consider this issue to be a security vulnerability, rather consider this to be a non-security bug."}

{}