CVE-2014-0099: Apache Tomcat

Medium severity, CVSS 4.3. EPSS: 8.8% chance of exploitation in the next 30 days.

Integer overflow in java/org/apache/tomcat/util/buf/Ascii.java in Apache Tomcat before 6.0.40, 7.x before 7.0.53, and 8.x before 8.0.4, when operated behind a reverse proxy, allows remote attackers to conduct HTTP request smuggling attacks via a crafted Content-Length HTTP header.

Affected products

• Apache Tomcat: up to and including 6.0.39; version 6 only; version 6.0 only; version 6.0.0 only; version 6.0.1 only; version 6.0.2 only; …

Published 2014-05-31. Last modified 2026-06-17.