CVE-2019-9513 – Some HTTP/2 implementations are vulnerable to resource loops, potentially

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.

 

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9513

Reference (s):

• BUGTRAQ:20190822 [SECURITY] [DSA 4505-1] nginx security update
• URL: https://seclists.org/bugtraq/2019/Aug/40
• BUGTRAQ:20190902 [SECURITY] [DSA 4511-1] nghttp2 security update
• URL: https://seclists.org/bugtraq/2019/Sep/1
• CERT-VN:VU#605641