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HIGH7.5

GHSA-25xr-qj8w-c4vf

Apache Tomcat Coyote vulnerable to Denial of Service via excessive HTTP/2 streams

Quick fix

GHSA-25xr-qj8w-c4vf — org.apache.tomcat:tomcat-coyote: upgrade to the fixed version with the command below.

# pom.xml: bump <version>11.0.9</version> for org.apache.tomcat:tomcat-coyote

Details

Uncontrolled Resource Consumption vulnerability in Apache Tomcat if an HTTP/2 client did not acknowledge the initial settings frame that reduces the maximum permitted concurrent streams.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100.

Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.

Are you affected?

Enter the version of the package you're using.

Affected packages

Maven/org.apache.tomcat:tomcat-coyote
Introduced in: 11.0.0-M1Fixed in: 11.0.9
Fix# pom.xml: bump <version>11.0.9</version> for org.apache.tomcat:tomcat-coyote
Maven/org.apache.tomcat:tomcat-coyote
Introduced in: 10.1.0-M1Fixed in: 10.1.43
Fix# pom.xml: bump <version>10.1.43</version> for org.apache.tomcat:tomcat-coyote
Maven/org.apache.tomcat:tomcat-coyote
Introduced in: 9.0.0.M1Fixed in: 9.0.107
Fix# pom.xml: bump <version>9.0.107</version> for org.apache.tomcat:tomcat-coyote
Maven/org.apache.tomcat:tomcat-coyote
Introduced in: 8.5.0

No fixed version published yet for org.apache.tomcat:tomcat-coyote (maven). Pin to a known-safe version or switch to an alternative.

Maven/org.apache.tomcat.embed:tomcat-embed-core
Introduced in: 8.5.0

No fixed version published yet for org.apache.tomcat.embed:tomcat-embed-core (maven). Pin to a known-safe version or switch to an alternative.

Maven/org.apache.tomcat.embed:tomcat-embed-core
Introduced in: 9.0.0.M1Fixed in: 9.0.107
Fix# pom.xml: bump <version>9.0.107</version> for org.apache.tomcat.embed:tomcat-embed-core
Maven/org.apache.tomcat.embed:tomcat-embed-core
Introduced in: 10.1.0-M1Fixed in: 10.1.43
Fix# pom.xml: bump <version>10.1.43</version> for org.apache.tomcat.embed:tomcat-embed-core
Maven/org.apache.tomcat.embed:tomcat-embed-core
Introduced in: 11.0.0-M1Fixed in: 11.0.9
Fix# pom.xml: bump <version>11.0.9</version> for org.apache.tomcat.embed:tomcat-embed-core

References