CVE Database


Impact: Moderate
Public: 2011-01-21
Bugzilla: 675338: CVE-2011-0534 tomcat: remote DoS via NIO connector


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2011-0534 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 5.0
Base Metrics: AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (tomcat6) RHSA-2011:0335 March 09, 2011
Red Hat JBoss Web Server 1.0 (tomcat) RHSA-2011:0350 March 11, 2011
Red Hat JBoss Web Server 1.0 for RHEL 4 AS (tomcat6) RHSA-2011:0348 March 11, 2011
Red Hat JBoss Web Server 1.0 for RHEL 5 Server (tomcat6) RHSA-2011:0348 March 11, 2011

External References

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For clarification or corrections please contact the Red Hat Security Response Team.