CVE-2012-3544

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-06-01 · updated 2026-10-09
Weakness: CWE-20

Description

Apache Tomcat 6.x before 6.0.37 and 7.x before 7.0.30 does not properly handle chunk extensions in chunked transfer coding, which allows remote attackers to cause a denial of service by streaming data.

Affected products

Apache Tomcat: 6.0, 6.0.0, 6.0.0-alpha, 6.0.1, 6.0.1-alpha, 6.0.2 (+66)

References

http://archives.neohapsis.com/archives/bugtraq/2013-05/0042.html
http://seclists.org/fulldisclosure/2014/Dec/23
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/coyote/http11/filters/ChunkedInputFilter.java?r1=1476592&r2=1476591&pathrev=1476592
http://svn.apache.org/viewvc?view=revision&revision=1378702
http://svn.apache.org/viewvc?view=revision&revision=1378921
http://svn.apache.org/viewvc?view=revision&revision=1476592
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-7.html
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
http://www.securityfocus.com/archive/1/534161/100/0/threaded
http://www.securityfocus.com/bid/59797

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