--- id: CVE-2014-0227 title: >- java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle attempts to continue reading data after an error has occurred, which allow… summary: >- java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle attempts to continue reading data after an error has occurred, which allow… severity: medium cvss: 6.4 cvssVector: 'AV:N/AC:L/Au:N/C:N/I:P/A:P' cwe: - CWE-19 vendor: apache product: tomcat affected: - tomcat = 6.0.0 - tomcat = 6.0.1 - tomcat = 6.0.2 - tomcat = 6.0.3 - tomcat = 6.0.4 - tomcat = 6.0.5 - tomcat = 6.0.6 - tomcat = 6.0.7 - tomcat = 6.0.8 - tomcat = 6.0.9 - tomcat = 6.0.10 - tomcat = 6.0.11 - tomcat = 6.0.12 - tomcat = 6.0.13 - tomcat = 6.0.14 - tomcat = 6.0.15 - tomcat = 6.0.16 - tomcat = 6.0.17 - tomcat = 6.0.18 - tomcat = 6.0.19 - tomcat = 6.0.20 - tomcat = 6.0.24 - tomcat = 6.0.26 - tomcat = 6.0.27 - tomcat = 6.0.28 - tomcat = 6.0.29 - tomcat = 6.0.30 - tomcat = 6.0.31 - tomcat = 6.0.32 - tomcat = 6.0.33 - tomcat = 6.0.35 - tomcat = 6.0.36 - tomcat = 6.0.37 - tomcat = 6.0.39 - tomcat = 6.0.41 - tomcat = 7.0.0 - tomcat = 7.0.1 - tomcat = 7.0.2 - tomcat = 7.0.3 - tomcat = 7.0.4 - tomcat = 7.0.5 - tomcat = 7.0.6 - tomcat = 7.0.7 - tomcat = 7.0.8 - tomcat = 7.0.9 - tomcat = 7.0.10 - tomcat = 7.0.11 - tomcat = 7.0.12 - tomcat = 7.0.13 - tomcat = 7.0.14 - tomcat = 7.0.15 - tomcat = 7.0.16 - tomcat = 7.0.17 - tomcat = 7.0.18 - tomcat = 7.0.19 - tomcat = 7.0.20 - tomcat = 7.0.21 - tomcat = 7.0.22 - tomcat = 7.0.23 - tomcat = 7.0.24 - tomcat = 7.0.25 - tomcat = 7.0.26 - tomcat = 7.0.27 - tomcat = 7.0.28 - tomcat = 7.0.29 - tomcat = 7.0.30 - tomcat = 7.0.31 - tomcat = 7.0.32 - tomcat = 7.0.33 - tomcat = 7.0.34 - tomcat = 7.0.35 - tomcat = 7.0.36 - tomcat = 7.0.37 - tomcat = 7.0.38 - tomcat = 7.0.39 - tomcat = 7.0.40 - tomcat = 7.0.41 - tomcat = 7.0.42 - tomcat = 7.0.43 - tomcat = 7.0.44 - tomcat = 7.0.45 - tomcat = 7.0.46 - tomcat = 7.0.47 - tomcat = 7.0.48 - tomcat = 7.0.49 - tomcat = 7.0.50 - tomcat = 7.0.52 - tomcat = 7.0.53 - tomcat = 7.0.54 - tomcat = 8.0.0 - tomcat = 8.0.1 - tomcat = 8.0.3 - tomcat = 8.0.5 - tomcat = 8.0.8 published: '2015-02-16' updated: '2026-10-14' sourceUpdated: '2026-10-14T17:17:32.160' source: NVD sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2014-0227' references: - url: 'http://advisories.mageia.org/MGASA-2015-0081.html' label: secalert@redhat.com - url: 'http://archives.neohapsis.com/archives/bugtraq/2015-02/0067.html' label: secalert@redhat.com - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html label: secalert@redhat.com - url: 'http://marc.info/?l=bugtraq&m=143393515412274&w=2' label: secalert@redhat.com - url: 'http://marc.info/?l=bugtraq&m=143403519711434&w=2' label: secalert@redhat.com - url: 'http://rhn.redhat.com/errata/RHSA-2015-0675.html' label: secalert@redhat.com - url: 'http://rhn.redhat.com/errata/RHSA-2015-0720.html' label: secalert@redhat.com - url: 'http://rhn.redhat.com/errata/RHSA-2015-0765.html' label: secalert@redhat.com - url: 'http://rhn.redhat.com/errata/RHSA-2015-0983.html' label: secalert@redhat.com - url: 'http://rhn.redhat.com/errata/RHSA-2015-0991.html' label: secalert@redhat.com - url: 'http://svn.apache.org/viewvc?view=revision&revision=1600984' label: secalert@redhat.com - url: 'http://tomcat.apache.org/security-6.html' label: secalert@redhat.com - url: 'http://tomcat.apache.org/security-7.html' label: secalert@redhat.com - url: 'http://tomcat.apache.org/security-8.html' label: secalert@redhat.com - url: 'http://www.debian.org/security/2016/dsa-3447' label: secalert@redhat.com - url: 'http://www.debian.org/security/2016/dsa-3530' label: secalert@redhat.com - url: 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:052' label: secalert@redhat.com - url: 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:053' label: secalert@redhat.com - url: 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:084' label: secalert@redhat.com - url: >- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html label: secalert@redhat.com - url: >- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html label: secalert@redhat.com - url: 'http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html' label: secalert@redhat.com - url: 'http://www.securityfocus.com/bid/72717' label: secalert@redhat.com - url: 'http://www.securitytracker.com/id/1032791' label: secalert@redhat.com - url: 'http://www.ubuntu.com/usn/USN-2654-1' label: secalert@redhat.com - url: 'http://www.ubuntu.com/usn/USN-2655-1' label: secalert@redhat.com - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1109196' label: secalert@redhat.com - url: >- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E label: secalert@redhat.com - url: >- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E label: secalert@redhat.com - url: >- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E label: secalert@redhat.com - url: >- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E label: secalert@redhat.com - url: >- https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E label: secalert@redhat.com - url: >- https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E label: secalert@redhat.com - url: >- https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E label: secalert@redhat.com - url: 'https://source.jboss.org/changelog/JBossWeb?cs=2455' label: secalert@redhat.com - url: 'http://advisories.mageia.org/MGASA-2015-0081.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://archives.neohapsis.com/archives/bugtraq/2015-02/0067.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://marc.info/?l=bugtraq&m=143393515412274&w=2' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://marc.info/?l=bugtraq&m=143403519711434&w=2' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://rhn.redhat.com/errata/RHSA-2015-0675.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://rhn.redhat.com/errata/RHSA-2015-0720.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://rhn.redhat.com/errata/RHSA-2015-0765.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://rhn.redhat.com/errata/RHSA-2015-0983.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://rhn.redhat.com/errata/RHSA-2015-0991.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://svn.apache.org/viewvc?view=revision&revision=1600984' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://tomcat.apache.org/security-6.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://tomcat.apache.org/security-7.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://tomcat.apache.org/security-8.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.debian.org/security/2016/dsa-3447' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.debian.org/security/2016/dsa-3530' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:052' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:053' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.mandriva.com/security/advisories?name=MDVSA-2015:084' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html label: af854a3a-2127-422b-91ae-364da2661108 - url: >- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.securityfocus.com/bid/72717' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.securitytracker.com/id/1032791' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.ubuntu.com/usn/USN-2654-1' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.ubuntu.com/usn/USN-2655-1' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=1109196' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://source.jboss.org/changelog/JBossWeb?cs=2455' label: af854a3a-2127-422b-91ae-364da2661108 tags: - nvd epss: 0.21045 epssPercentile: 0.97543 ingestedAt: '2026-10-14T17:44:53.591Z' --- ## Overview java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle attempts to continue reading data after an error has occurred, which allows remote attackers to conduct HTTP request smuggling attacks or cause a denial of service (resource consumption) by streaming data with malformed chunked transfer coding. ## Affected - `tomcat = 6.0.0` - `tomcat = 6.0.1` - `tomcat = 6.0.2` - `tomcat = 6.0.3` - `tomcat = 6.0.4` - `tomcat = 6.0.5` - `tomcat = 6.0.6` - `tomcat = 6.0.7` - `tomcat = 6.0.8` - `tomcat = 6.0.9` - `tomcat = 6.0.10` - `tomcat = 6.0.11` - `tomcat = 6.0.12` - `tomcat = 6.0.13` - `tomcat = 6.0.14` - `tomcat = 6.0.15` - `tomcat = 6.0.16` - `tomcat = 6.0.17` - `tomcat = 6.0.18` - `tomcat = 6.0.19` - `tomcat = 6.0.20` - `tomcat = 6.0.24` - `tomcat = 6.0.26` - `tomcat = 6.0.27` - `tomcat = 6.0.28` - `tomcat = 6.0.29` - `tomcat = 6.0.30` - `tomcat = 6.0.31` - `tomcat = 6.0.32` - `tomcat = 6.0.33` - `tomcat = 6.0.35` - `tomcat = 6.0.36` - `tomcat = 6.0.37` - `tomcat = 6.0.39` - `tomcat = 6.0.41` - `tomcat = 7.0.0` - `tomcat = 7.0.1` - `tomcat = 7.0.2` - `tomcat = 7.0.3` - `tomcat = 7.0.4` - `tomcat = 7.0.5` - `tomcat = 7.0.6` - `tomcat = 7.0.7` - `tomcat = 7.0.8` - `tomcat = 7.0.9` - `tomcat = 7.0.10` - `tomcat = 7.0.11` - `tomcat = 7.0.12` - `tomcat = 7.0.13` - `tomcat = 7.0.14` - `tomcat = 7.0.15` - `tomcat = 7.0.16` - `tomcat = 7.0.17` - `tomcat = 7.0.18` - `tomcat = 7.0.19` - `tomcat = 7.0.20` - `tomcat = 7.0.21` - `tomcat = 7.0.22` - `tomcat = 7.0.23` - `tomcat = 7.0.24` - `tomcat = 7.0.25` - `tomcat = 7.0.26` - `tomcat = 7.0.27` - `tomcat = 7.0.28` - `tomcat = 7.0.29` - `tomcat = 7.0.30` - `tomcat = 7.0.31` - `tomcat = 7.0.32` - `tomcat = 7.0.33` - `tomcat = 7.0.34` - `tomcat = 7.0.35` - `tomcat = 7.0.36` - `tomcat = 7.0.37` - `tomcat = 7.0.38` - `tomcat = 7.0.39` - `tomcat = 7.0.40` - `tomcat = 7.0.41` - `tomcat = 7.0.42` - `tomcat = 7.0.43` - `tomcat = 7.0.44` - `tomcat = 7.0.45` - `tomcat = 7.0.46` - `tomcat = 7.0.47` - `tomcat = 7.0.48` - `tomcat = 7.0.49` - `tomcat = 7.0.50` - `tomcat = 7.0.52` - `tomcat = 7.0.53` - `tomcat = 7.0.54` - `tomcat = 8.0.0` - `tomcat = 8.0.1` - `tomcat = 8.0.3` - `tomcat = 8.0.5` - `tomcat = 8.0.8` ## Remediation Refer to the linked advisories for vendor-supplied fixes and affected version ranges.