{"id":"CVE-2017-16820","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-16820","generatedAt":"2026-10-28T19:05:26.525Z","title":"The csnmp_read_table function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).","description":"The csnmp_read_table function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).","published":"2017-11-14T21:29:00.000Z","lastModified":"2026-06-17T01:09:58.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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-415"],"affected":["collectd/collectd"],"epss":{"score":0.03595,"percentile":0.89385,"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 (3.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2018:0252","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0299","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0560","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:1605","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:2615","source":"cve@mitre.org"},{"url":"https://bugs.debian.org/881757","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/collectd/collectd/issues/2291","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/collectd/collectd/releases/tag/collectd-5.6.3","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201803-10","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2018:0252","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0299","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:0560","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:1605","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2018:2615","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.debian.org/881757","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/collectd/collectd/issues/2291","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/collectd/collectd/releases/tag/collectd-5.6.3","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201803-10","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-16820","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."}