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I. Basic Information for CVE-2019-9511
Vulnerability Information

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Vulnerability Title
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
HTTP/2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HTTP/2是超文本传输协议的第二版,主要用于保证客户机与服务器之间的通信。 HTTP/2中存在资源管理错误漏洞。攻击者可利用该漏洞导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2019-9511
#POC DescriptionSource LinkShenlong Link
1based on nginx 1.19.5 to fix for CVE-2018-16843, CVE-2018-16844, CVE-2019-9511, CVE-2019-9513, and CVE-2019-9516https://github.com/flyniu666/ingress-nginx-0.21-1.19.5POC Details
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III. Intelligence Information for CVE-2019-9511
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