Security Advisory

CVE-2026-59901

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-29 17:48:39

Last updated 2026-07-29 18:09:41

Assigner GitHub_M

CVSS score not scored

State PUBLISHED

Description

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the `Bzip2Decoder` handler in Netty's compression codec pipeline is vulnerable to a denial-of-service attack through a malformed bzip2 stream that permanently captures the event-loop thread in an infinite loop. The vulnerability exists in the run-length encoding (RLE) state machine within [`Bzip2BlockDecompressor.read()`]. This issue has been fixed in versions 4.1.136.Final and 4.2.16.Final.

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