CVE-2023-44487 Apache Tomcat - HTTP/2 DoS
Severity: Important
Vendor: The Apache Software Foundation
Versions Affected:
Apache Tomcat 11.0.0-M1 to 11.0.0-M11
Apache Tomcat 10.1.0-M1 to 10.1.13
Apache Tomcat 9.0.0-M1 to 9.0.80
Apache Tomcat 8.5.0 to 8.5.93
Description:
Tomcat's HTTP/2 implementation was vulnerable to the rapid reset attack.
The denial of service typically manifested as an OutOfMemoryError.
Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.0-M12 or later
- Upgrade to Apache Tomcat 10.1.14 or later
- Upgrade to Apache Tomcat 9.0.81 or later
- Upgrade to Apache Tomcat 8.5.94 or later
History:
2023-10-10 Original advisory
References:
[1] https://tomcat.apache.org/security-11.html
[2] https://tomcat.apache.org/security-10.html
[3] https://tomcat.apache.org/security-9.html
[4] https://tomcat.apache.org/security-8.html