{"id":"CVE-2016-7479","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7479","generatedAt":"2026-10-28T21:51:49.349Z","title":"In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free.","description":"In all versions of PHP 7, during the unserialization process, resizing the 'properties' hash table of a serialized object may lead to use-after-free. A remote attacker may exploit this bug to gain arbitrary code execution.","published":"2017-01-12T00:59:00.000Z","lastModified":"2026-06-17T00:53:08.000Z","status":"Modified","sourceIdentifier":"cve@checkpoint.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["php/php"],"epss":{"score":0.41674,"percentile":0.98677,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.36374,"percentile":0.98462},{"date":"2026-09-22","score":0.41943,"percentile":0.98628}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 41.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.41943,"from":0.36374,"percentile":0.98628},"summary":"EPSS moved from 36.4% to 41.9% probability of exploitation in the next thirty days."}],"references":[{"url":"http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7","tags":["Third Party Advisory"],"source":"cve@checkpoint.com"},{"url":"http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"cve@checkpoint.com"},{"url":"http://www.securityfocus.com/bid/95151","tags":["Third Party Advisory","VDB Entry"],"source":"cve@checkpoint.com"},{"url":"http://www.securitytracker.com/id/1037659","source":"cve@checkpoint.com"},{"url":"https://access.redhat.com/errata/RHSA-2018:1296","source":"cve@checkpoint.com"},{"url":"https://bugs.php.net/bug.php?id=73092","tags":["Issue Tracking","Permissions Required"],"source":"cve@checkpoint.com"},{"url":"https://security.netapp.com/advisory/ntap-20180112-0001/","source":"cve@checkpoint.com"},{"url":"https://www.youtube.com/watch?v=LDcaPstAuPk","tags":["Technical Description"],"source":"cve@checkpoint.com"},{"url":"http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/95151","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1037659","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:1296","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.php.net/bug.php?id=73092","tags":["Issue Tracking","Permissions Required"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20180112-0001/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.youtube.com/watch?v=LDcaPstAuPk","tags":["Technical Description"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7479","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}