Show plain JSON{"id": "CVE-2011-0420", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2011-02-19T01:00:02.933", "references": [{"url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html", "source": "cret@cert.org"}, {"url": "http://securityreason.com/achievement_securityalert/94", "tags": ["Exploit"], "source": "cret@cert.org"}, {"url": "http://securityreason.com/securityalert/8087", "source": "cret@cert.org"}, {"url": "http://support.apple.com/kb/HT5002", "source": "cret@cert.org"}, {"url": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449", "tags": ["Patch"], "source": "cret@cert.org"}, {"url": "http://www.debian.org/security/2011/dsa-2266", "source": "cret@cert.org"}, {"url": "http://www.exploit-db.com/exploits/16182", "source": "cret@cert.org"}, {"url": "http://www.kb.cert.org/vuls/id/210829", "tags": ["US Government Resource"], "source": "cret@cert.org"}, {"url": "http://www.securityfocus.com/archive/1/516504/100/0/threaded", "source": "cret@cert.org"}, {"url": "http://www.securityfocus.com/archive/1/516518/100/0/threaded", "source": "cret@cert.org"}, {"url": "http://www.securityfocus.com/bid/46429", "tags": ["Exploit"], "source": "cret@cert.org"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65437", "source": "cret@cert.org"}, {"url": "http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://securityreason.com/achievement_securityalert/94", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://securityreason.com/securityalert/8087", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://support.apple.com/kb/HT5002", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2011/dsa-2266", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.exploit-db.com/exploits/16182", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kb.cert.org/vuls/id/210829", "tags": ["US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/archive/1/516504/100/0/threaded", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/archive/1/516518/100/0/threaded", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/46429", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65437", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The grapheme_extract function in the Internationalization extension (Intl) for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial of service (crash) via an invalid size argument, which triggers a NULL pointer dereference."}, {"lang": "es", "value": "La funci\u00f3n grapheme_extract en la extensi\u00f3n de Internacionalizaci\u00f3n (Intl) para ICU para PHP v5.3.5 permite provocar una denegaci\u00f3n de servicio (con ca\u00edda de la aplicaci\u00f3n) a atacantes dependientes del contexto a trav\u00e9s de un argumento de tama\u00f1o no v\u00e1lido, lo que provoca una desreferencia de puntero NULL."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:php:php:5.3.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A9E6D530-91FC-42F4-A427-6601238E0187"}], "operator": "OR"}]}], "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n'CWE-476: NULL Pointer Dereference'", "sourceIdentifier": "cret@cert.org"} 