---
id: CVE-1999-0214
title: Denial of service by sending forged ICMP unreachable packets.
summary: Denial of service by sending forged ICMP unreachable packets.
severity: critical
cvss: 10
cvssVector: 'AV:N/AC:L/Au:N/C:C/I:C/A:C'
published: '1992-07-21'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-0214'
references:
  - url: 'https://www.cve.org/CVERecord?id=CVE-1999-0214'
    label: cve@mitre.org
  - url: 'https://www.cve.org/CVERecord?id=CVE-1999-0214'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01891
epssPercentile: 0.78703
ingestedAt: '2026-06-19T03:39:00.705Z'
---

## Overview

Denial of service by sending forged ICMP unreachable packets.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.