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CVE-2021-25122 When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0…

Description

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Affected products and versions

Product Affected versions Fixed in
Apache Tomcat 10.0 earliest → < 10.0.2 10.0.2
Apache Tomcat 9.0 earliest → < 9.0.42 9.0.42
Apache Tomcat 8.5 earliest → < 8.5.62 8.5.62
The 141 CVEs of Apache Tomcat →
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