{"id":"CVE-2016-7480","details":"The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.","modified":"2026-05-17T11:55:13.706914765Z","published":"2017-01-11T07:59:00.143Z","related":["SUSE-SU-2017:0534-1"],"database_specific":{},"references":[{"type":"ADVISORY","url":"http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7"},{"type":"ADVISORY","url":"http://php.net/ChangeLog-7.php"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/95152"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20180112-0001/"},{"type":"ADVISORY","url":"https://www.youtube.com/watch?v=LDcaPstAuPk"},{"type":"FIX","url":"https://bugs.php.net/bug.php?id=73257"},{"type":"FIX","url":"https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4"},{"type":"EVIDENCE","url":"http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}