This security bulletin contains one medium risk vulnerability.
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect handling of HTTP/2 requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Note, the vulnerability exists due to an incomplete fix for #VU58177 (CVE-2021-3629).
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.Vulnerable software versions
Undertow: 2.0.0 - 2.3.0 Alpha2Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
How the attacker can exploit this vulnerability?
Is there known malware, which exploits this vulnerability?