Security update for nginx

Announcement ID: SUSE-SU-2025:03444-1
Release Date: 2025-10-01T12:43:06Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2025-23419 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
  • CVE-2025-23419 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • CVE-2025-23419 ( NVD ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
  • CVE-2025-23419 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • CVE-2025-53859 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/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
  • CVE-2025-53859 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  • CVE-2025-53859 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/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
  • CVE-2025-53859 ( NVD ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Products:
  • openSUSE Leap 15.6
  • Server Applications Module 15-SP6
  • Server Applications Module 15-SP7
  • SUSE Linux Enterprise Real Time 15 SP6
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP6
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves two vulnerabilities can now be installed.

Description:

This update for nginx fixes the following issues:

  • CVE-2025-53859: the server side may leak arbitrary bytes during the NGINX SMTP authentication process (bsc#1248070).
  • CVE-2025-23419: session resumption can bypass client certificate authentication requirements using TLSv1.3 (bsc#1236851).

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 SUSE-2025-3444=1 openSUSE-SLE-15.6-2025-3444=1
  • Server Applications Module 15-SP6
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP6-2025-3444=1
  • Server Applications Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2025-3444=1

Package List:

  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • nginx-1.21.5-150600.10.12.1
    • nginx-debuginfo-1.21.5-150600.10.12.1
    • nginx-debugsource-1.21.5-150600.10.12.1
  • openSUSE Leap 15.6 (noarch)
    • nginx-source-1.21.5-150600.10.12.1
  • Server Applications Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    • nginx-1.21.5-150600.10.12.1
    • nginx-debuginfo-1.21.5-150600.10.12.1
    • nginx-debugsource-1.21.5-150600.10.12.1
  • Server Applications Module 15-SP6 (noarch)
    • nginx-source-1.21.5-150600.10.12.1
  • Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • nginx-1.21.5-150600.10.12.1
    • nginx-debuginfo-1.21.5-150600.10.12.1
    • nginx-debugsource-1.21.5-150600.10.12.1
  • Server Applications Module 15-SP7 (noarch)
    • nginx-source-1.21.5-150600.10.12.1

References: