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.
Fix
Patch, vendor advisory and mitigation references on NVD 12
- http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/coyote/http11/filters/ChunkedInputFilter.java?r1=1476592&r2=1476591&pathrev=1476592 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378702 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378921 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1476592 Patch
- http://tomcat.apache.org/security-6.html Vendor Advisory
- http://tomcat.apache.org/security-7.html Vendor Advisory
- http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/coyote/http11/filters/ChunkedInputFilter.java?r1=1476592&r2=1476591&pathrev=1476592 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378702 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378921 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1476592 Patch
- http://tomcat.apache.org/security-6.html Vendor Advisory
- http://tomcat.apache.org/security-7.html Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.0 · apacheNVD modified 2026-10-09 20:17
Affected (CPE criteria) 72
cpe:2.3:a:apache:tomcat:6.0:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.0:alpha:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.1:alpha:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.2:alpha:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.2:beta:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.4:alpha:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.6:alpha:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.7:alpha:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.7:beta:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.8:alpha:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.9:beta:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.19:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.20:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.28:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.29:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.30:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.31:*:*:*:*:*:*:*cpe:2.3:a:apache:tomcat:6.0.32:*:*:*:*:*:*:*- and 32 more
References 42
- 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 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378702 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378921 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1476592 Patch
- http://tomcat.apache.org/security-6.html Vendor Advisory
- http://tomcat.apache.org/security-7.html Vendor Advisory
- 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
- http://www.securityfocus.com/bid/64758
- http://www.ubuntu.com/usn/USN-1841-1
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html
- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E
- 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 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378702 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1378921 Patch
- http://svn.apache.org/viewvc?view=revision&revision=1476592 Patch
- http://tomcat.apache.org/security-6.html Vendor Advisory
- http://tomcat.apache.org/security-7.html Vendor Advisory
- 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
- http://www.securityfocus.com/bid/64758
- http://www.ubuntu.com/usn/USN-1841-1
- http://www.vmware.com/security/advisories/VMSA-2014-0012.html
- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E