HTTP/2 CONTINUATION DoS attack can cause Apache Traffic Server to consume more resources on the server. Version from 8.0.0 up to and including 8.1.9, from 9.0.0 up to and including 9.2.3 are affected. Users can set a new setting (proxy.config.http2.max_continuation_frames_per_minute) to limit the number of CONTINUATION frames per minute. ATS does have a fixed amount of memory a request can use and ATS adheres to these limits in previous releases. Users are recommended to upgrade to versions 8.1.10 or 9.2.4 which fixes the issue.
New HTTP/2 DoS attack can crash web servers with a single connection By Bill Toulas April 4, 2024 11:28 AM 0 Newly discovered HTTP/2 protocol vulnerabilities called "CONTINUATION Flood" can lead to denial of service (DoS) attacks, crashing web servers with a single TCP connection in some implementations. HTTP/2 is an update to the HTTP protocol standardized in 2015, designed to improve web performance by introducing binary framing for efficient data transmission, multiplexing to allow multiple r...
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