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io.netty:netty-codec-http2@4.1.60.Final vulnerabilities

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Direct Vulnerabilities

Known vulnerabilities in the io.netty:netty-codec-http2 package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Denial of Service (DoS)

io.netty:netty-codec-http2 is a HTTP2 sub package for the netty library, an event-driven asynchronous network application framework.

Affected versions of this package are vulnerable to Denial of Service (DoS) in the implementation of the HTTP/2 protocol. An attacker can cause a denial of service (including via DDoS) by rapidly resetting many streams through request cancellation.

How to fix Denial of Service (DoS)?

Upgrade io.netty:netty-codec-http2 to version 4.1.100.Final or higher.

[,4.1.100.Final)
  • M
HTTP Request Smuggling

io.netty:netty-codec-http2 is a HTTP2 sub package for the netty library, an event-driven asynchronous network application framework.

Affected versions of this package are vulnerable to HTTP Request Smuggling. The content-length header is not correctly validated if the request only uses a single Http2HeaderFrame with the endStream set to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. This is a follow-up of CVE-2021-21295 which did not fix this specific case.

How to fix HTTP Request Smuggling?

Upgrade io.netty:netty-codec-http2 to version 4.1.61.Final or higher.

[,4.1.61.Final)
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