{"id":"CVE-2015-4602","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-4602","generatedAt":"2026-11-05T05:27:58.251Z","title":"The __PHP_Incomplete_Class function in ext/standard/incomplete_class.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an…","description":"The __PHP_Incomplete_Class function in ext/standard/incomplete_class.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an unexpected data type, related to a \"type confusion\" issue.","published":"2016-05-16T10:59:10.000Z","lastModified":"2026-06-17T00:27:35.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.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":[],"affected":["redhat/enterprise linux","php/php","redhat/enterprise linux desktop","redhat/enterprise linux hpc node","redhat/enterprise linux hpc node eus","redhat/enterprise linux server","redhat/enterprise linux server eus","redhat/enterprise linux workstation"],"epss":{"score":0.10264,"percentile":0.95705,"date":"2026-11-04","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 10.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1","source":"secalert@redhat.com"},{"url":"http://php.net/ChangeLog-5.php","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1135.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1186.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1187.html","source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1218.html","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2015/06/16/12","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/75249","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1032709","source":"secalert@redhat.com"},{"url":"https://bugs.php.net/bug.php?id=69152","tags":["Exploit"],"source":"secalert@redhat.com"},{"url":"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=fb83c76deec58f1fab17c350f04c9f042e5977d1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://php.net/ChangeLog-5.php","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1135.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1186.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1187.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1218.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2015/06/16/12","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/75249","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1032709","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.php.net/bug.php?id=69152","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-4602","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."}