---
title: "CVE-2012-3571: An Error in the Handling of Malformed Client Identifier"
slug: "aa-00712"
description: "CVE-2012-3571: An Error in the Handling of Malformed Client Identifiers can Cause a Denial-of-Service Condition in Affected Servers"
tags: ["isc dhcp"]
updated: 2012-07-30T14:14:00Z
published: 2012-07-30T14:14:00Z
canonical: "kb.isc.org/aa-00712"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.isc.org/llms.txt
> Use this file to discover all available pages before exploring further.

# CVE-2012-3571: An Error in the Handling of Malformed Client Identifiers can Cause a Denial-of-Service Condition in Affected Servers