Race Condition Affecting tomcat-el-3_0-api package, versions <9.0.36-150000.3.101.2



    Attack Complexity High
    Confidentiality High
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3.7 low
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Red Hat
3.7 low
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5.9 medium

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  • Snyk ID SNYK-SLES150-TOMCATEL30API-3148172
  • published 26 Nov 2022
  • disclosed 25 Nov 2022

How to fix?

Upgrade SLES:15.0 tomcat-el-3_0-api to version 9.0.36-150000.3.101.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-el-3_0-api package and not the tomcat-el-3_0-api package as distributed by SLES:15.0. See How to fix? for SLES:15.0 relevant fixed versions and status.

The simplified implementation of blocking reads and writes introduced in Tomcat 10 and back-ported to Tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.