{"id":"CVE-2016-5017","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-5017","generatedAt":"2026-10-27T17:43:55.092Z","title":"Buffer overflow in the C cli shell in Apache Zookeeper before 3.4.9 and 3.5.x before 3.5.3, when using the \"cmd:\" batch mode syntax, allows attackers to have unspecified impact via a long command string.","description":"Buffer overflow in the C cli shell in Apache Zookeeper before 3.4.9 and 3.5.x before 3.5.3, when using the \"cmd:\" batch mode syntax, allows attackers to have unspecified impact via a long command string.","published":"2016-09-21T14:25:12.000Z","lastModified":"2026-06-17T00:48:37.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.0","score":8.1,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["apache/zookeeper"],"epss":{"score":0.06793,"percentile":0.93951,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.06793,"percentile":0.93981}]},"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 (6.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/138755/ZooKeeper-3.4.8-3.5.2-Buffer-Overflow.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2016/09/17/3","tags":["Release Notes","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/93044","source":"secalert@redhat.com"},{"url":"https://git-wip-us.apache.org/repos/asf?p=zookeeper.git%3Ba=commitdiff%3Bh=27ecf981a15554dc8e64a28630af7a5c9e2bdf4f","source":"secalert@redhat.com"},{"url":"https://git-wip-us.apache.org/repos/asf?p=zookeeper.git%3Ba=commitdiff%3Bh=f09154d6648eeb4ec5e1ac8a2bacbd2f8c87c14a","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/r4b743f407244294f316325458ccaabfce9cd70ca3a6423dbe574035c%40%3Cnotifications.dubbo.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E","source":"secalert@redhat.com"},{"url":"https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html","source":"secalert@redhat.com"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","source":"secalert@redhat.com"},{"url":"https://zookeeper.apache.org/security.html#CVE-2016-5017","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/138755/ZooKeeper-3.4.8-3.5.2-Buffer-Overflow.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2016/09/17/3","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/93044","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git-wip-us.apache.org/repos/asf?p=zookeeper.git%3Ba=commitdiff%3Bh=27ecf981a15554dc8e64a28630af7a5c9e2bdf4f","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git-wip-us.apache.org/repos/asf?p=zookeeper.git%3Ba=commitdiff%3Bh=f09154d6648eeb4ec5e1ac8a2bacbd2f8c87c14a","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r4b743f407244294f316325458ccaabfce9cd70ca3a6423dbe574035c%40%3Cnotifications.dubbo.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2020.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://zookeeper.apache.org/security.html#CVE-2016-5017","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-5017","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."}