{"id":"CVE-2017-11143","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-11143","generatedAt":"2026-10-29T00:08:47.325Z","title":"In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in…","description":"In PHP before 5.6.31, an invalid free in the WDDX deserialization of boolean parameters could be used by attackers able to inject XML for deserialization to crash the PHP interpreter, related to an invalid free for an empty boolean element in ext/wddx/wddx.c.","published":"2017-07-10T14:29:01.000Z","lastModified":"2026-06-17T01:01:18.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-416","CWE-502"],"affected":["php/php"],"epss":{"score":0.06846,"percentile":0.94001,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (6.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://openwall.com/lists/oss-security/2017/07/10/6","tags":["Mailing List","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://php.net/ChangeLog-5.php","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/99553","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:1296","source":"cve@mitre.org"},{"url":"https://bugs.php.net/bug.php?id=74145","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2aae60461c2ff7b7fbcdd194c789ac841d0747d7","source":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20180112-0001/","source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2018/dsa-4081","source":"cve@mitre.org"},{"url":"https://www.tenable.com/security/tns-2017-12","source":"cve@mitre.org"},{"url":"http://openwall.com/lists/oss-security/2017/07/10/6","tags":["Mailing List","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://php.net/ChangeLog-5.php","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/99553","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=74145","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2aae60461c2ff7b7fbcdd194c789ac841d0747d7","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20180112-0001/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4081","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/tns-2017-12","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-11143","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."}