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Security Bulletin: IBM UrbanCode Release is vulnerable to a denial of service due to use of Apache Tomcat CVE-2021-42340.

Description

## Summary Apache Tomcat is used by IBM UrbanCode Release. This fix includes Apache Tomcat 8.5.79. ## Vulnerability Details ** CVEID: **[CVE-2021-42340](<https://vulners.com/cve/CVE-2021-42340>) ** DESCRIPTION: **Apache Tomcat is vulnerable to a denial of service, caused by a memory leak flaw in WebSocket connections. By sending a specially-crafted request using OutOfMemoryError, a remote attacker could exploit this vulnerability to cause a denial of service condition. CVSS Base score: 7.5 CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/211354](<https://exchange.xforce.ibmcloud.com/vulnerabilities/211354>) for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) ## Affected Products and Versions **Affected Product(s)**| **Version(s)** ---|--- IBM UrbanCode Release| 6.2.5.3 - 6.2.5.5 ## Remediation/Fixes IBM strongly recommends addressing the vulnerability now by upgrading to IBM UrbanCode Release version 6.2.5.6 or above. **Affected Supporting Product(s)** | **Remediation/Fix** ---|--- IBM UrbanCode Release 6.2.5.3 - 6.2.5.5 | [**Download** ](<http://www.ibm.com/support/fixcentral/quickorder?product=ibm%2FRational%2FUrbanCode+Release&fixids=6.2.5.6-UrbanCode-Release&source=SAR> "Download" )IBM UrbanCode Release 6.2.5.6 – Includes Apache Tomcat **8.5.79** ## Workarounds and Mitigations None ##


Affected Software


CPE Name Name Version
rational 6.2.5.6

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