Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial of service. This issue affects Apache Tomcat: from 9.0.76 through 9.0.102, from 10.1.10 through 10.1.39, from 11.0.0-M2 through 11.0.5. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.90 though 8.5.100. Users are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| org.apache.tomcat:tomcat-coyote(Maven) | 9.0.76 | 9.0.104 | N/A |
| org.apache.tomcat:tomcat-coyote(Maven) | 10.1.10 | 10.1.40 | N/A |
| org.apache.tomcat:tomcat-coyote(Maven) | 11.0.0-M2 | 11.0.6 | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 9.0.76 | 9.0.104 | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 10.1.10 | 10.1.40 | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 11.0.0-M2 | 11.0.6 | N/A |
| org.apache.tomcat:tomcat-coyote(Maven) | 8.5.0 | N/A | N/A |
| org.apache.tomcat.embed:tomcat-embed-core(Maven) | 8.5.0 | N/A | N/A |
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