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CVE-2021-42340

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CVE-2021-42340

Published: Oct 14, 2021

Modified: Aug 4, 2024

PUBLISHED

Description

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.

VendorProductVersions

Apache Software Foundation

Apache Tomcat

affected
Apache Tomcat 10 10.0.0-M10 to 10.0.11
affected
Apache Tomcat 10 10.1.0-M1 to 10.1.0-M5
affected
Apache Tomcat 9 9.0.40 to 9.0.53
affected
Apache Tomcat 8 8.5.60 to 8.5.71

Weaknesses (CWE)

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