{"id":"UBUNTU-CVE-2017-12934","details":"ext/standard/var_unserializer.re in PHP 7.0.x before 7.0.21 and 7.1.x before 7.1.7 is prone to a heap use after free while unserializing untrusted data, related to the zval_get_type function in Zend/zend_types.h. Exploitation of this issue can have an unspecified impact on the integrity of PHP.","modified":"2025-07-16T08:20:31.351513Z","published":"2017-08-18T03:29:00Z","withdrawn":"2025-07-18T16:44:06Z","upstream":["CVE-2017-12934"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-12934"},{"type":"REPORT","url":"http://php.net/ChangeLog-7.php"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-12934"}],"affected":[{"package":{"name":"php7.0","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/php7.0@7.0.22-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.22-0ubuntu0.16.04.1"}]}],"versions":["7.0.1-5","7.0.1-6","7.0.2-1","7.0.2-3","7.0.2-4","7.0.2-5","7.0.3-2","7.0.3-3","7.0.3-9ubuntu1","7.0.4-5ubuntu1","7.0.4-5ubuntu2","7.0.4-7ubuntu1","7.0.4-7ubuntu2","7.0.4-7ubuntu2.1","7.0.8-0ubuntu0.16.04.1","7.0.8-0ubuntu0.16.04.2","7.0.8-0ubuntu0.16.04.3","7.0.13-0ubuntu0.16.04.1","7.0.15-0ubuntu0.16.04.1","7.0.15-0ubuntu0.16.04.2","7.0.15-0ubuntu0.16.04.4","7.0.18-0ubuntu0.16.04.1"],"ecosystem_specific":{"availability":"No 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