{"id":"CVE-2016-7480","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7480","generatedAt":"2026-10-28T20:46:40.794Z","title":"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)…","description":"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.","published":"2017-01-11T07:59:00.000Z","lastModified":"2026-06-17T00:53:08.000Z","status":"Modified","sourceIdentifier":"cve@checkpoint.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["php/php","netapp/clustered data ontap"],"epss":{"score":0.41558,"percentile":0.98673,"date":"2026-10-27","history":[]},"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 41.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"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","VDB Entry"],"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://php.net/ChangeLog-7.php","tags":["Release Notes","Vendor Advisory"],"source":"cve@checkpoint.com"},{"url":"http://www.securityfocus.com/bid/95152","tags":["Third Party Advisory","VDB Entry"],"source":"cve@checkpoint.com"},{"url":"https://bugs.php.net/bug.php?id=73257","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"cve@checkpoint.com"},{"url":"https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4","tags":["Patch","Third Party Advisory"],"source":"cve@checkpoint.com"},{"url":"https://security.netapp.com/advisory/ntap-20180112-0001/","tags":["Third Party Advisory"],"source":"cve@checkpoint.com"},{"url":"https://www.youtube.com/watch?v=LDcaPstAuPk","tags":["Broken Link","Third Party Advisory"],"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","VDB Entry"],"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://php.net/ChangeLog-7.php","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/95152","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.php.net/bug.php?id=73257","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20180112-0001/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.youtube.com/watch?v=LDcaPstAuPk","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7480","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."}