CVE-2014-0095 Denial of service in Apache Tomcat

What is CVE-2014-0095?

CVE-2014-0095 is a medium-severity denial of service vulnerability in Apache Tomcat, published on 31 May 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

java/org/apache/coyote/ajp/AbstractAjpProcessor.java in Apache Tomcat 8.x before 8.0.4 allows remote attackers to cause a denial of service (thread consumption) by using a "Content-Length: 0" AJP request to trigger a hang in request processing.

Weakness: CWE-20

Which versions are affected by CVE-2014-0095?

4 open source packages ship an affected version, including org.apache.tomcat.embed:tomcat-embed-core and org.apache.tomcat:tomcat-coyote. It affects 1 product.

Products include Apache Tomcat.

How do I fix CVE-2014-0095?

Upgrade org.apache.tomcat.embed:tomcat-embed-core to 8.0.4 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2014-0095 being exploited?

There is no known exploitation of CVE-2014-0095 in the wild and no public exploit code.

Other vulnerabilities in Apache Tomcat

• CVE-2025-24813 Apache Tomcat Path Equivalence Exploited Critical 10.0
• CVE-2016-8735 Apache Tomcat Remote Code Execution Exploited Critical 9.8
• CVE-2017-12617 Apache Tomcat Remote Code Execution Exploited High 8.1
• CVE-2017-12615 Apache Tomcat on Windows Remote Code Execution Exploited High 8.1
• CVE-2026-34486 Apache Tomcat Missing Encryption of Sensitive Data Exploited High 7.5

All Apache Tomcat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wf5v-jhxj-q632.