DoS via memory leak with WebSocket connections
The fix for bug 63362 present in Apache Tomcat 10.1.0 to 10.1.0, 10.0.0 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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-42340US | high7.5 | — | ||
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 t… | ||||
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references
External citations — patches, advisories, analysis.
- https://kc.mcafee.com/corporate/index?page=content&id=SB10379ADVISORY
- https://lists.apache.org/thread.html/r8097a2d1550aa78e585fc77e602b9046e6d4099d8d132497c5387784%40%3Ccommits.myfaces.apache.org%3EWEB
- https://lists.apache.org/thread.html/r83a35be60f06aca2065f188ee542b9099695d57ced2e70e0885f905c%40%3Cannounce.tomcat.apache.org%3EADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2021-42340WEB
- https://security.gentoo.org/glsa/202208-34ADVISORY
- https://security.netapp.com/advisory/ntap-20211104-0001/ADVISORY
- https://www.debian.org/security/2021/dsa-5009ADVISORY
- https://www.oracle.com/security-alerts/cpuapr2022.htmlADVISORY
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