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High DSA-6160-1 5 CVEs

netty - security update

Published Mar 11, 2026 · Updated Mar 23, 2026

Fixed packages 2

ReleasePackageFixed in
Debian · 12 netty 1:4.1.48-7+deb12u2
Debian · 13 netty 1:4.1.48-10+deb13u1

Vulnerabilities 5

  • High 8.2
    CVE-2025-55163 Public exploit

    Netty MadeYouReset HTTP/2 DDoS Vulnerability

    Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames …

  • Medium 6.9

    Netty's BrotliDecoder is vulnerable to DoS via zip bomb style attack

    Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below,…

  • Medium 6.5

    Netty has a CRLF Injection vulnerability in io.netty.handler.codec.http.HttpRequestEncoder

    Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the `io.netty.handler.codec.http.HttpRequestEncoder` has a CRLF injection with the request URI when constructing a request. This leads to…

  • Medium 5.5

    Netty netty-codec-smtp SMTP Command Injection Vulnerability Allowing Email Forgery

    Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.128.Final and 4.2.7.Final, the SMTP codec in Netty contains an SMTP command injection vulnerability due to insufficient input validation for Carriage Return (\r) an…

  • Low 2.9

    Netty is vulnerable to request smuggling due to incorrect parsing of chunk extensions

    Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline ch…