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I. Basic Information for CVE-2022-39271
Vulnerability Information

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Vulnerability Title
Traefik HTTP/2 connections management could cause a denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. There is a potential vulnerability in Traefik managing HTTP/2 connections. A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service. There has been a patch released in versions 2.8.8 and 2.9.0-rc5. There are currently no known workarounds.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Containous Traefik 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Containous Traefik是美国Containous公司的一款反向代理和负载平衡器。 Containous Traefik 2.8.8之前版本、2.9.0-rc5之前版本存在资源管理错误漏洞,该漏洞源于发生致命错误,关闭的HTTP/2服务器连接可能会永久挂起。
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
traefiktraefik < 2.8.8 -
II. Public POCs for CVE-2022-39271
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III. Intelligence Information for CVE-2022-39271
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