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High DLA-3268-1 5 CVEs

netty - security update

Published Jan 11, 2023 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 10 netty 1:4.1.33-1+deb10u3

Vulnerabilities 5

  • High 7.5

    Bzip2Decoder doesn't allow setting size restrictions for decompressed data

    The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and…

  • High 7.5

    SnappyFrameDecoder doesn't restrict chunk length any may buffer skippable chunks in an unnecessary way

    The Snappy frame decoder function doesn't restrict the chunk length which may lead to excessive memory usage. Beside this it also may buffer reserved skippable chunks until the whole chunk was received which may lead to excessive memory usage as well. This vu…

  • Medium 6.5

    HTTP fails to validate against control chars in header names which may lead to HTTP request smuggling

    Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. Netty prior to version 4.1.71.Final skips control chars when they are present at the beginning / end of the …

  • Medium 6.5

    Netty vulnerable to HTTP Response splitting from assigning header value iterator

    Netty project is an event-driven asynchronous network application framework. Starting in version 4.1.83.Final and prior to 4.1.86.Final, when calling `DefaultHttpHeadesr.set` with an _iterator_ of values, header value validation was not performed, allowing ma…

  • Medium 5.3

    HAProxyMessageDecoder Stack Exhaustion DoS

    Netty project is an event-driven asynchronous network application framework. In versions prior to 4.1.86.Final, a StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion. This issue is patched in version 4.1.86.F…