{"id":"CVE-2016-5114","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-5114","generatedAt":"2026-10-27T22:05:32.761Z","title":"sapi/fpm/fpm/fpm_log.c in PHP before 5.5.31, 5.6.x before 5.6.17, and 7.x before 7.0.2 misinterprets the semantics of the snprintf return value, which allows attackers to obtain sensitive information from process memory or cause a denial of service…","description":"sapi/fpm/fpm/fpm_log.c in PHP before 5.5.31, 5.6.x before 5.6.17, and 7.x before 7.0.2 misinterprets the semantics of the snprintf return value, which allows attackers to obtain sensitive information from process memory or cause a denial of service (out-of-bounds read and buffer overflow) via a long string, as demonstrated by a long URI in a configuration with custom REQUEST_URI logging.","published":"2016-08-07T10:59:11.000Z","lastModified":"2026-06-17T00:48:47.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"cwe":["CWE-119","CWE-125"],"affected":["php/php"],"epss":{"score":0.04489,"percentile":0.91417,"date":"2026-10-26","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 (4.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://github.com/php/php-src/commit/2721a0148649e07ed74468f097a28899741eb58f?w=1","source":"cve@mitre.org"},{"url":"http://php.net/ChangeLog-5.php","tags":["Patch","Release Notes"],"source":"cve@mitre.org"},{"url":"http://php.net/ChangeLog-7.php","tags":["Patch","Release Notes"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2750.html","source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2016/05/29/1","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"http://www.search-lab.hu/about-us/news/111-some-unusual-vulnerabilities-in-the-php-engine","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.php.net/bug.php?id=70755","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731","source":"cve@mitre.org"},{"url":"http://github.com/php/php-src/commit/2721a0148649e07ed74468f097a28899741eb58f?w=1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://php.net/ChangeLog-5.php","tags":["Patch","Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://php.net/ChangeLog-7.php","tags":["Patch","Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2750.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2016/05/29/1","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.search-lab.hu/about-us/news/111-some-unusual-vulnerabilities-in-the-php-engine","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.php.net/bug.php?id=70755","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-5114","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."}