CVE-2017-8806

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.

• CWE-59

• http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelogBroken Link, Issue Tracking, Third Party Advisory
• http://www.securityfocus.com/bid/101810Broken Link, Third Party Advisory, VDB Entry
• https://usn.ubuntu.com/usn/usn-3476-1/Issue Tracking, Third Party Advisory
• https://www.debian.org/security/2017/dsa-4029Issue Tracking, Third Party Advisory
• http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelogBroken Link, Issue Tracking, Third Party Advisory
• http://www.securityfocus.com/bid/101810Broken Link, Third Party Advisory, VDB Entry
• https://usn.ubuntu.com/usn/usn-3476-1/Issue Tracking, Third Party Advisory
• https://www.debian.org/security/2017/dsa-4029Issue Tracking, Third Party Advisory

Published

Nov 13, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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