{"id":"CVE-2007-1649","aliases":["EUVD-2007-1643","GHSA-mhvw-9cx4-p5jj"],"status":"published","title":"PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain...","description":"PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain scripts with a serialized data input string beginning with S:, which does not properly track the number of input bytes being processed.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07488,"percentile":0.94518,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2007-03-24T00:00:00Z","modified":"2026-06-16T22:38:01Z","exploits":[{"source":"exploitdb","id":"EDB-3559","title":"PHP 5.2.1 - 'Unserialize()' Local Information Leak","type":"local","platform":"multiple","date":"2007-03-23","verified":true,"url":"https://www.exploit-db.com/exploits/3559"}],"products":[{"vendor":"php","product":"php"}],"references":[{"url":"http://www.php-security.org/MOPB/MOPB-29-2007.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/33170","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/24630","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/23105","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://us2.php.net/releases/5_2_2.php","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2008:126","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-1649"},{"url":"https://github.com/advisories/GHSA-mhvw-9cx4-p5jj"}],"sources":{"cve":[{"id":"CVE-2007-1649","description":"PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain scripts with a serialized data input string beginning with S:, which does not properly track the number of input bytes being processed.","status":"published","published":"2007-03-24T00:00:00Z","modified":"2024-08-07T13:06:25.955Z","updated_at":"2026-11-02T13:33:41.472948Z"}],"euvd":[{"id":"EUVD-2007-1643","description":"PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain scripts with a serialized data input string beginning with S:, which does not properly track the number of input bytes being processed.","status":"published","published":"2007-03-24T00:00:00Z","modified":"2024-08-07T13:06:25Z","updated_at":"2026-11-03T01:38:24.820783Z"}],"ghsa":[{"id":"GHSA-mhvw-9cx4-p5jj","title":"PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain...","description":"PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain scripts with a serialized data input string beginning with S:, which does not properly track the number of input bytes being processed.","status":"published","published":"2022-05-01T17:55:36Z","modified":"2023-01-31T05:03:21Z","updated_at":"2026-11-02T14:48:26.919818Z"}],"nvd":[{"id":"CVE-2007-1649","description":"PHP 5.2.1 allows context-dependent attackers to read portions of heap memory by executing certain scripts with a serialized data input string beginning with S:, which does not properly track the number of input bytes being processed.","status":"published","published":"2007-03-24T00:19:00Z","modified":"2026-06-16T22:38:01.62Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:13.98711Z"}]}}