CVE-2019-9517

HIGH Year: 2019
CVSS v3 Score
7.5
High
CVSS v2 Score
7.8
High
Weakness Type
CWE-400
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Vulnerability Description

Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.

Related Vulnerabilities

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