CVE-2021-42340 (GCVE-0-2021-42340)

Vulnerability from cvelistv5 – Published: 2021-10-14 19:55 – Updated: 2024-08-04 03:30
VLAI?
Title
DoS via memory leak with WebSocket connections
Summary
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.
Severity ?
No CVSS data available.
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
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
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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