Security update for nginx

Announcement ID: SUSE-SU-2026:2050-1
Release Date: 2026-05-25T13:58:45Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-27651 ( SUSE ): 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
  • CVE-2026-27651 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-27651 ( NVD ): 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/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-2026-27651 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-32647 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-32647 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-32647 ( NVD ): 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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
  • CVE-2026-32647 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-40701 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  • CVE-2026-40701 ( SUSE ): 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
  • CVE-2026-40701 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/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-2026-40701 ( NVD ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
  • CVE-2026-42934 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/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-2026-42934 ( SUSE ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
  • CVE-2026-42934 ( NVD ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/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-2026-42934 ( NVD ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
  • CVE-2026-42945 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  • CVE-2026-42945 ( SUSE ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
  • CVE-2026-42945 ( NVD ): 9.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/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
  • CVE-2026-42945 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2026-42946 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:L/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-2026-42946 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
  • CVE-2026-42946 ( NVD ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:L/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-2026-42946 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
Affected Products:
  • openSUSE Leap 15.6
  • Server Applications Module 15-SP7
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP6
  • SUSE Linux Enterprise Server 15 SP6 LTSS
  • 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 six vulnerabilities can now be installed.

Description:

This update for nginx fixes the following issues

  • CVE-2026-27651: denial of service via undisclosed requests when the ngx_mail_auth_http_module is enabled (bsc#1260415).
  • CVE-2026-32647: NGINX worker memory over-read or over-write via a specially crafted MP4 file (bsc#1260420).
  • CVE-2026-40701: heap use-after-free in the worker process when the ssl_verify_client and the ssl_ocsp directives are set due to issue in the ngx_http_ssl_module module (bsc#1265229).
  • CVE-2026-42934: heap buffer overread in the worker process due to issue in the ngx_http_charset_module module (bsc#1265231).
  • CVE-2026-42945: heap buffer overflow via crafted HTTP requests due to issue in ngx_http_rewrite_module (bsc#1265232).
  • CVE-2026-42946: excessive memory allocation and data overread due to issue in the ngx_http_scgi_module and ngx_http_uwsgi_module modules (bsc#1265233).

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-2026-2050=1
  • Server Applications Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2050=1
  • SUSE Linux Enterprise Server 15 SP6 LTSS
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2050=1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2050=1

Package List:

  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • nginx-debuginfo-1.21.5-150600.10.18.1
    • nginx-1.21.5-150600.10.18.1
    • nginx-debugsource-1.21.5-150600.10.18.1
  • openSUSE Leap 15.6 (noarch)
    • nginx-source-1.21.5-150600.10.18.1
  • Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • nginx-debuginfo-1.21.5-150600.10.18.1
    • nginx-1.21.5-150600.10.18.1
    • nginx-debugsource-1.21.5-150600.10.18.1
  • Server Applications Module 15-SP7 (noarch)
    • nginx-source-1.21.5-150600.10.18.1
  • SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    • nginx-debuginfo-1.21.5-150600.10.18.1
    • nginx-1.21.5-150600.10.18.1
    • nginx-debugsource-1.21.5-150600.10.18.1
  • SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    • nginx-source-1.21.5-150600.10.18.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    • nginx-debuginfo-1.21.5-150600.10.18.1
    • nginx-1.21.5-150600.10.18.1
    • nginx-debugsource-1.21.5-150600.10.18.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    • nginx-source-1.21.5-150600.10.18.1

References: