Overview
About vulnerability
Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98.
Older, EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
Details
- Affected product:
- AlmaLinux 9.2 ESU , Apache CXF , Apache Log4j , Apache Tomcat , CentOS 7 ELS , Debian 10 ELS , Eclipse Jetty , Spring , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS , activemq , apache-jsp , camel , jasper-jsp , logging-flume , thrift
- Affected packages:
- tomcat-embed-el @ 9.0.83 (+5430 more)