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Apache Tomcat Missing Release of Resource after Effective Lifetime Vulnerability - CVE-2021-42340 - Vulnerability Database
Apache Tomcat

Apache Tomcat Missing Release of Resource after Effective Lifetime Vulnerability - CVE-2021-42340

High
Reference: CVE-2021-42340
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2021-42340
Title: Apache Tomcat Missing Release of Resource after Effective Lifetime Vulnerability
Overview:

The fix for bug 63362 present in Apache Tomcat 10.1.0-M1 to 10.1.0-M5 10.0.0-M1 to 10.0.11 9.0.40 to 9.0.53 and 8.5.60 to 8.5.71 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the connection was closed. This created a memory leak that over time could lead to a denial of service via an OutOfMemoryError.