CVE
GHSA-q6cp-qfwq-4gcv
h2 servers vulnerable to degradation of service with CONTINUATION Flood
An attacker can send a flood of CONTINUATION frames, causing h2 to process them indefinitely. This results in an increase in CPU usage.
Tokio task budget helps prevent this from a complete denial-of-service, as the server can still respond to legitimate requests, albeit with increased latency.
More details at https://seanmonstar.com/blog/hyper-http2-continuation-flood/.
Patches available for 0.4.x and 0.3.x versions.
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