CyberRota Analysis
AI-GeneratedNetty's `Http3FrameCodec` prior to version 4.2.16.Final is vulnerable to a denial-of-service attack due to improper handling of payload lengths for HTTP/3 reserved frame types, allowing attackers to exploit this flaw by sending large payloads that can exhaust memory. Organizations using affected versions of Netty should prioritize upgrading to the patched version to mitigate the risk of service disruption. This vulnerability is particularly critical for developers and operators of network applications relying on Netty for protocol handling.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Netty is a network application framework for development of protocol servers and clients. Prior to 4.2.16.Final, Netty's `Http3FrameCodec` buffers incoming data for HTTP/3 reserved frame types up to the wire-specified payload length without limits; `decodeFrame` trusts `payLoadLength`, allowing an attacker to open multiple QUIC streams and send reserved frames with very large payload lengths to cause memory exhaustion and denial of service. This issue is fixed in version 4.2.16.Final.
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