This security bulletin contains one medium risk vulnerability.
Exploit availability: YesDescription
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources with the application when processing HTTP/2 requests. A remote attacker can send specially crafted sequence of HTTP/2 requests to the affected server and trigger high CPU load for several seconds. A large number of such requests causes denial of service.
Install updates from vendor's website.Vulnerable software versions
Apache Tomcat: 10.0.0-M1 - 10.0.0.0-M1, 9.0.0 - 9.0.35, 8.5.0 - 8.5.55
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?