{"id":"CVE-2011-0755","aliases":["EUVD-2011-0767","GHSA-7m24-mw96-fh3w"],"status":"published","title":"Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context...","description":"Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mt_getrandmax.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01937,"percentile":0.80219,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189"],"published":"2011-02-02T21:00:00Z","modified":"2026-06-16T23:28:00Z","products":[{"vendor":"php","product":"php"}],"references":[{"url":"http://bugs.php.net/46587","tags":["x_refsource_CONFIRM","x_transferred","Exploit"]},{"url":"http://www.php.net/ChangeLog-5.php","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65426","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12589","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-0755"},{"url":"https://github.com/advisories/GHSA-7m24-mw96-fh3w"}],"sources":{"cve":[{"id":"CVE-2011-0755","description":"Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mt_getrandmax.","status":"published","published":"2011-02-02T21:00:00Z","modified":"2024-08-06T22:05:53.567Z","updated_at":"2026-11-02T14:35:39.079595Z"}],"euvd":[{"id":"EUVD-2011-0767","description":"Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mt_getrandmax.","status":"published","published":"2011-02-02T21:00:00Z","modified":"2024-08-06T22:05:53Z","updated_at":"2026-11-03T01:55:59.230529Z"}],"ghsa":[{"id":"GHSA-7m24-mw96-fh3w","title":"Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context...","description":"Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mt_getrandmax.","status":"published","published":"2022-05-14T02:16:12Z","modified":"2023-02-02T05:05:49Z","updated_at":"2026-11-02T14:52:10.734987Z"}],"nvd":[{"id":"CVE-2011-0755","description":"Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mt_getrandmax.","status":"published","published":"2011-02-02T22:00:02.487Z","modified":"2026-06-16T23:28:00.597Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:06.042049Z"}]}}