{"id":"CVE-2017-8806","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-8806","generatedAt":"2026-10-29T00:48:09.361Z","title":"The Debian pg_ctlcluster, pg_createcluster, and pg_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181+deb9u1 for PostgreSQL (and other packages related to Debian and Ubuntu), handled symbolic links insecurely,…","description":"The Debian pg_ctlcluster, pg_createcluster, and pg_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181+deb9u1 for PostgreSQL (and other packages related to Debian and Ubuntu), handled symbolic links insecurely, which could result in local denial of service by overwriting arbitrary files.","published":"2017-11-13T09:29:00.000Z","lastModified":"2026-06-17T01:27:00.000Z","status":"Modified","sourceIdentifier":"security@debian.org","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-59"],"affected":["postgresql/postgresql"],"epss":{"score":0.00419,"percentile":0.36035,"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":"low","text":"Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog","tags":["Broken Link","Issue Tracking","Third Party Advisory"],"source":"security@debian.org"},{"url":"http://www.securityfocus.com/bid/101810","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"security@debian.org"},{"url":"https://usn.ubuntu.com/usn/usn-3476-1/","tags":["Issue Tracking","Third Party Advisory"],"source":"security@debian.org"},{"url":"https://www.debian.org/security/2017/dsa-4029","tags":["Issue Tracking","Third Party Advisory"],"source":"security@debian.org"},{"url":"http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog","tags":["Broken Link","Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/101810","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/usn/usn-3476-1/","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4029","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-8806","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."}