# CVE-2003-1029

## Summary

- **CVE ID:** CVE-2003-1029
- **Severity:** UNKNOWN
- **CVSS Score:** 0.86
- **CWE:** N/A
- **Published:** Jan 15, 2004
- **Last Modified:** Mar 16, 2026

## Description

The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://secunia.com/advisories/10718)
- [CNA](http://secunia.com/advisories/10668)
- [CNA](http://marc.info/?l=tcpdump-workers&m=107228187124962&w=2)
- [CNA](http://secunia.com/advisories/10636)
- [CNA](http://www.securitytracker.com/id?1008748)
- [CNA](http://lwn.net/Alerts/66805/)
- [CNA](http://www.mandriva.com/security/advisories?name=MDKSA-2004:008)
- [CNA](http://www.securityfocus.com/archive/1/350238/30/21640/threaded)
- [CNA](http://www.debian.org/security/2004/dsa-425)
- [CNA](http://secunia.com/advisories/10652)
- [CNA](http://marc.info/?l=bugtraq&m=107213553214985&w=2)
- [CNA](http://marc.info/?l=bugtraq&m=107193841728533&w=2)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 21.39%
- **EPSS Percentile:** 95.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._