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…

Description

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.

Scores

EPSS (exploitation in 30 days)

21.0% · top 2.4% of all CVEs (4 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.

Weakness

• n/a
• CWE-19 (opens in a new tab)All about CWE-19 and its CVEs

Affected products

• n/a

  • affected n/a

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• Mavenorg.apache.tomcat:tomcatGHSA-42j3-498q-m6vp (opens in a new tab)

References (35)

• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2654-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• RHSA-2015:0765 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2015:0675 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• MDVSA-2015:052 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• HPSBUX03341 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• RHSA-2015:0720 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 72717 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• RHSA-2015:0991 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• MDVSA-2015:084 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• DSA-3530 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 1032791 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• http://tomcat.apache.org/security-7.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:0983 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• SSRT102066 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• MDVSA-2015:053 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• FEDORA-2015-2109 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• http://tomcat.apache.org/security-8.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1109196 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://source.jboss.org/changelog/JBossWeb?cs=2455 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20150209 [SECURITY] CVE-2014-0227 Apache Tomcat Request Smuggling (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://advisories.mageia.org/MGASA-2015-0081.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://tomcat.apache.org/security-6.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2655-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://svn.apache.org/viewvc?view=revision&revision=1600984 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3447 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• [tomcat-dev] 20190319 svn commit: r1855831 [23/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20190325 svn commit: r1856174 [21/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20190413 svn commit: r1857494 [15/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20190415 svn commit: r1857582 [16/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20200203 svn commit: r1873527 [23/30] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20200213 svn commit: r1873980 [27/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [tomcat-dev] 20200213 svn commit: r1873980 [26/34] - /tomcat/site/trunk/docs/ (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-42j3-498q-m6vp (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2014-0227](https://trackcve.app/badge/CVE-2014-0227.svg)](https://trackcve.app/cve/CVE-2014-0227)

Record last updated 14 Oct 2026, 16:22 UTC.