# CVE-2003-0653

## Summary

- **CVE ID:** CVE-2003-0653
- **Severity:** UNKNOWN
- **CVSS Score:** 0.03
- **CWE:** N/A
- **Published:** Aug 5, 2003
- **Last Modified:** Mar 16, 2026

## Description

The OSI networking kernel (sys/netiso) in NetBSD 1.6.1 and earlier does not use a BSD-required "PKTHDR" mbuf when sending certain error responses to the sender of an OSI packet, which allows remote attackers to cause a denial of service (kernel panic or crash) via certain OSI packets.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-010.txt.asc)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.66%
- **EPSS Percentile:** 70.6

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