CyberRota Analysis
AI-GeneratedNetty's SPDY header decoding is vulnerable to a compression amplification attack, where a remote attacker can exploit the zlib-compressed header blocks to cause excessive CPU and memory allocation by sending a small compressed `HEADERS` block that expands significantly. This issue affects versions prior to 4.1.136.Final and 4.2.16.Final, and organizations using Netty for protocol server and client development should prioritize upgrading to the patched versions to mitigate potential denial-of-service impacts.
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 4.1.136.Final and 4.2.16.Final, Netty SPDY header decoding continues inflating zlib-compressed header blocks after the raw header parser has exceeded `maxHeaderSize` and marked the frame truncated in `SpdyFrameCodec`, allowing a remote peer to send a small compressed `HEADERS` block that expands into much larger raw header data and causes compression-amplified CPU and allocation churn. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.
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