VYPR
Unrated severityNVD Advisory· Published Jul 21, 2026

Debian netty: Netty is a network application framework for development of protocol servers and…

CVE-2026-55833

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.

Affected products

1
  • Debian/nettyllm-fuzzy
    Range: <4.1.136.Final, <4.2.16.Final

Patches

Vulnerability mechanics

News mentions

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