Detections
Analytics
CVE-2021-42340
high
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.
References
https://www.oracle.com/security-alerts/cpujul2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.debian.org/security/2021/dsa-5009
https://security.netapp.com/advisory/ntap-20211104-0001/
https://security.gentoo.org/glsa/202208-34
https://kc.mcafee.com/corporate/index?page=content&id=SB10379