CVE-2011-0534: High severity tomcat vulnerability

Published Feb 10, 2011
·
Updated

Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests involving the NIO HTTP connector, which allows remote attackers to cause a denial of service (OutOfMemoryError) via a crafted request.

Affected Software

36 affected componentsFixes available
maven/org.apache.tomcat:tomcat>=7.0.0<=7.0.6
7.0.8
maven/org.apache.tomcat:tomcat>=6.0.0<=6.0.30
6.0.32
Apache Tomcat=7.0.0
Apache Tomcat=7.0.1
Apache Tomcat=7.0.2
Apache Tomcat=7.0.3
Apache Tomcat=7.0.4
Apache Tomcat=7.0.5
Apache Tomcat=7.0.6
Apache Tomcat=6.0.0
Apache Tomcat=6.0.1
Apache Tomcat=6.0.2
Apache Tomcat=6.0.3
Apache Tomcat=6.0.4
Apache Tomcat=6.0.5
Apache Tomcat=6.0.6
Apache Tomcat=6.0.7
Apache Tomcat=6.0.8
Apache Tomcat=6.0.9
Apache Tomcat=6.0.10
Apache Tomcat=6.0.11
Apache Tomcat=6.0.12
Apache Tomcat=6.0.13
Apache Tomcat=6.0.14
Apache Tomcat=6.0.15
Apache Tomcat=6.0.16
Apache Tomcat=6.0.17
Apache Tomcat=6.0.18
Apache Tomcat=6.0.19
Apache Tomcat=6.0.20
Apache Tomcat=6.0.24
Apache Tomcat=6.0.26
Apache Tomcat=6.0.27
Apache Tomcat=6.0.28
Apache Tomcat=6.0.29
Apache Tomcat=6.0.30

Event History

Feb 10, 2011
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description
May 14, 2022
Advisory Published
via GitHub·02:56 AM

Frequently Asked Questions

1

What is the severity of CVE-2011-0534?

CVE-2011-0534 is considered to have a high severity due to the potential for denial of service attacks resulting in an OutOfMemoryError.

2

How do I fix CVE-2011-0534?

To fix CVE-2011-0534, upgrade to Apache Tomcat version 7.0.8 or later for Tomcat 7, or version 6.0.32 or later for Tomcat 6.

3

What versions of Apache Tomcat are affected by CVE-2011-0534?

CVE-2011-0534 affects Apache Tomcat versions 7.0.0 to 7.0.6 and 6.0.0 to 6.0.30.

4

What kind of attacks can exploit CVE-2011-0534?

CVE-2011-0534 can be exploited by remote attackers sending crafted HTTP requests, leading to a denial of service.

5

Is CVE-2011-0534 a local or remote vulnerability?

CVE-2011-0534 is a remote vulnerability, allowing attackers to exploit it without local access.

Contact

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