Incomplete Cleanup vulnerability in Apache Tomcat.When recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| org.apache.tomcat:tomcat-coyote(Maven) | 11.0.0-M1 | 11.0.0-M12 | N/A |
| org.apache.tomcat:tomcat-coyote(Maven) | 10.1.0-M1 | 10.1.14 | N/A |
| org.apache.tomcat:tomcat(Maven) | 9.0.0-M1 | 9.0.81 | N/A |
| org.apache.tomcat:tomcat(Maven) | 8.5.0 | 8.5.94 | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 11.0.0-M1 | 11.0.0-M12 | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 10.1.0-M1 | 10.1.14 | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 9.0.0-M1 | 9.0.81 | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 8.5.0 | 8.5.94 | N/A |
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