CVE-2006-7197 Apache Tomcat Buffer Over-Read

What is CVE-2006-7197?

CVE-2006-7197 is a high-severity vulnerability in Apache Tomcat, published on 25 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The AJP connector in Apache Tomcat 5.5.15 uses an incorrect length for chunks, which can cause a buffer over-read in the ajp_process_callback in mod_jk, which allows remote attackers to read portions of sensitive memory.

Which versions are affected by CVE-2006-7197?

2 open source packages ship an affected version, including org.apache.tomcat:tomcat. It affects 1 product.

Products include Apache Tomcat.

How do I fix CVE-2006-7197?

Upgrade to a fixed version.

Is CVE-2006-7197 being exploited?

There is no known exploitation of CVE-2006-7197 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-jpqr-vh55-xqxf.