NuytsTech Security

CVE-2026-42580

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Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty’s chunk size parser silently overflows int, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.

More information : https://github.com/netty/netty/security/advisories/GHSA-m4cv-j2px-7723

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