SUSE-SU-2025:4489-1: moderate: Security update for netty

[SLE-SECURITY-UPDATES]

# Security update for netty

Announcement ID: SUSE-SU-2025:4489-1  
Release Date: 2025-12-19T11:02:03Z  
Rating: moderate  
References:

  * bsc#1255048

  
Cross-References:

  * CVE-2025-67735

  
CVSS scores:

  * CVE-2025-67735 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-67735 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-67735 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

  
Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Package Hub 15 15-SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for netty fixes the following issues:

Update to upstream version 4.1.130.

Security issues fixed:

  * CVE-2025-67735: lack of URI sanitization in `HttpRequestEncoder` allows for
    CRLF injection through a request URI and can lead to request smuggling
    (bsc#1255048).

Other updates and bugfixes:

  * Version 4.1.130:
  * Update `lz4-java` version to 1.10.1
  * Close `Channel` and fail bootstrap when setting a `ChannelOption` causes an
    error
  * Discard the following `HttpContent` for preflight request
  * Fix race condition in `NonStickyEventExecutorGroup` causing incorrect
    `inEventLoop()` results
  * Fix Zstd compression for large data
  * Fix `ZstdEncoder` not producing data when source is smaller than block
  * Make big endian ASCII hashcode consistent with little endian
  * Fix reentrancy bug in `ByteToMessageDecoder`
  * Add 32k and 64k size classes to adaptive allocator
  * Re-enable reflective field accesses in native images
  * Correct HTTP/2 padding length check
  * Fix HTTP startline validation
  * Fix `MpscIntQueue` bug

  * Build against the `org.jboss:jdk-misc` artifact that is implementing the
    `sun.misc` classes removed in Java 25

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2025-4489=1

  * SUSE Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-4489=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * netty-4.1.130-150200.4.40.1
  * openSUSE Leap 15.6 (noarch)
    * netty-javadoc-4.1.130-150200.4.40.1
  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    * netty-4.1.130-150200.4.40.1
  * SUSE Package Hub 15 15-SP7 (noarch)
    * netty-javadoc-4.1.130-150200.4.40.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-67735.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1255048

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