{"id":"CVE-2015-4643","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-4643","generatedAt":"2026-11-05T05:27:51.421Z","title":"Integer overflow in the ftp_genlist function in ext/ftp/ftp.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 allows remote FTP servers to execute arbitrary code via a long reply to a LIST command, leading to a heap-based buffer…","description":"Integer overflow in the ftp_genlist function in ext/ftp/ftp.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 allows remote FTP servers to execute arbitrary code via a long reply to a LIST command, leading to a heap-based buffer overflow.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-4022.","published":"2016-05-16T10:59:16.000Z","lastModified":"2026-06-17T00:27:39.000Z","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":["CWE-119"],"affected":["php/php","debian/debian linux","redhat/enterprise linux desktop","redhat/enterprise linux server","redhat/enterprise linux server aus","redhat/enterprise linux server eus","redhat/enterprise linux server tus","redhat/enterprise linux workstation","oracle/linux"],"epss":{"score":0.1541,"percentile":0.968,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.1447,"percentile":0.96524},{"date":"2026-09-22","score":0.16316,"percentile":0.9681}]},"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 15.4%, higher than 97% 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=0765623d6991b62ffcd93ddb6be8a5203a2fa7e2","source":"secalert@redhat.com"},{"url":"http://openwall.com/lists/oss-security/2015/06/18/6","tags":["Mailing List","Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://php.net/ChangeLog-5.php","tags":["Release Notes","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1135.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1186.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1187.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1218.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2015/dsa-3344","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/75291","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1032709","tags":["Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"https://bugs.php.net/bug.php?id=69545","tags":["Exploit","Issue Tracking","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/201606-10","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=0765623d6991b62ffcd93ddb6be8a5203a2fa7e2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2015/06/18/6","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://rhn.redhat.com/errata/RHSA-2015-1135.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1186.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1187.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2015-1218.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2015/dsa-3344","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/75291","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1032709","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.php.net/bug.php?id=69545","tags":["Exploit","Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201606-10","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-4643","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."}