{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-29T22:01:21.292","vulnerabilities":[{"cve":{"id":"CVE-2007-1521","sourceIdentifier":"cve@mitre.org","published":"2007-03-20T20:19:00.000","lastModified":"2026-06-16T22:37:45.100","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation."},{"lang":"es","value":"Una vulnerabilidad de doble liberación en PHP versiones anteriores a 4.4.7, y versiones 5.x anteriores a 5.2.2, permite a atacantes dependiendo del contexto ejecutar código arbitrario mediante la interrupción de la función session_regenerate_id, como es demostrado mediante la llamada de un manejador de errores de espacio de usuario o desencadenando una violación de límite de memoria."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":true,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*","versionEndIncluding":"5.2.1","matchCriteriaId":"FEE12690-B08D-4AB2-8092-013DE1A33C4C"}]}]}],"references":[{"url":"http://docs.info.apple.com/article.html?artnum=306172","source":"cve@mitre.org"},{"url":"http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/24505","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://secunia.com/advisories/25025","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://secunia.com/advisories/25056","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/25057","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://secunia.com/advisories/25062","source":"cve@mitre.org","tags":["Vendor Advisory"]},{"url":"http://secunia.com/advisories/25445","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/26235","source":"cve@mitre.org"},{"url":"http://security.gentoo.org/glsa/glsa-200705-19.xml","source":"cve@mitre.org"},{"url":"http://us2.php.net/releases/4_4_7.php","source":"cve@mitre.org"},{"url":"http://us2.php.net/releases/5_2_2.php","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2007/dsa-1282","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2007/dsa-1283","source":"cve@mitre.org"},{"url":"http://www.novell.com/linux/security/advisories/2007_32_php.html","source":"cve@mitre.org"},{"url":"http://www.php-security.org/MOPB/MOPB-22-2007.html","source":"cve@mitre.org","tags":["Exploit","Vendor 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Advisory"]},{"url":"http://secunia.com/advisories/25056","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/25057","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"http://secunia.com/advisories/25062","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"http://secunia.com/advisories/25445","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/26235","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://security.gentoo.org/glsa/glsa-200705-19.xml","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://us2.php.net/releases/4_4_7.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://us2.php.net/releases/5_2_2.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2007/dsa-1282","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2007/dsa-1283","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.novell.com/linux/security/advisories/2007_32_php.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.php-security.org/MOPB/MOPB-22-2007.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/22968","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/25159","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/usn-455-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2007/0960","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2007/2732","source":"af854a3a-2127-422b-91ae-364da2661108"}],"vendorComments":[{"organization":"Red Hat","comment":"The PHP interpreter does not offer a reliable "sandboxed" security\nlayer (as found in, say, a JVM) in which untrusted scripts can be run;\nany script run by the PHP interpreter must be trusted with the\nprivileges of the interpreter itself.  We therefore do not classify\nthis issue as security-sensitive since no trust boundary is crossed.\n","lastModified":"2007-04-16T00:00:00"}]}}]}