{"id":"CVE-2010-4697","aliases":["DSA-2408-1","EUVD-2010-4662","GHSA-3x9v-m7wh-wv6x"],"status":"published","title":"Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might...","description":"Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.02265,"percentile":0.83089,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2011-01-18T19:00:00Z","modified":"2026-06-16T23:25:22Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"php5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.3-7+squeeze8"}]}],"versions":["5.3.3-7","5.3.3-7+squeeze1","5.3.3-7+squeeze2","5.3.3-7+squeeze3","5.3.3-7+squeeze5","5.3.3-7+squeeze6","5.3.3-7+squeeze7"],"bundled":16}],"products":[{"vendor":"php","product":"php"}],"references":[{"url":"http://bugs.php.net/52879","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://marc.info/?l=bugtraq\u0026m=133469208622507\u0026w=2","tags":["vendor-advisory","x_refsource_HP","x_transferred"]},{"url":"http://www.php.net/ChangeLog-5.php","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12528","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65310","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/45952","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4697"},{"url":"https://github.com/advisories/GHSA-3x9v-m7wh-wv6x"}],"sources":{"cve":[{"id":"CVE-2010-4697","description":"Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.","status":"published","published":"2011-01-18T19:00:00Z","modified":"2024-08-07T03:55:34.485Z","updated_at":"2026-11-02T14:33:28.115387Z"}],"euvd":[{"id":"EUVD-2010-4662","description":"Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.","status":"published","published":"2011-01-18T19:00:00Z","modified":"2024-08-07T03:55:34Z","updated_at":"2026-11-03T01:39:29.508356Z"}],"ghsa":[{"id":"GHSA-3x9v-m7wh-wv6x","title":"Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might...","description":"Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.","status":"published","published":"2022-05-14T02:16:08Z","modified":"2023-02-02T05:05:28Z","updated_at":"2026-11-02T14:52:07.125195Z"}],"nvd":[{"id":"CVE-2010-4697","description":"Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.","status":"published","published":"2011-01-18T20:00:10.69Z","modified":"2026-06-16T23:25:22.13Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:03.297831Z"}],"osv":[{"id":"DSA-2408-1","title":"php5 - several","status":"published","published":"2012-02-13T00:00:00Z","modified":"2026-03-09T01:21:29.481692Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}