Security update for netty

Announcement ID: SUSE-SU-2025:03021-1
Release Date: 2025-08-29T09:42:17Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-55163 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • CVE-2025-55163 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-55163 ( NVD ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Affected Products:
  • SUSE Manager Server 4.3
  • SUSE Manager Server 4.3 LTS

An update that solves one vulnerability can now be installed.

Description:

This update for netty fixes the following issues:

  • CVE-2025-55163: Fixed "MadeYouReset" DoS attack in HTTP/2 protocol (including DNS over HTTPS) (bsc#1247991)

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:

  • SUSE Manager Server 4.3 LTS
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-LTS-2025-3021=1

Package List:

  • SUSE Manager Server 4.3 LTS (noarch)
    • netty-4.1.44.Final-150400.3.9.1

References: