CVE-2021-42340

Vulnerable Component Details
Type Namespace Name Version Package URL
maven org.apache.tomcat.embed tomcat-embed-websocket 9.0.53 pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket@9.0.53?type=jar
Vulnerability Details
ID CVE-2021-42340
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.
Ratings
Severity Score Method Vector Source
7.5 CVSSv3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Found By Sonotype OSS-Index
References / Advisories
Weakness Enumeration