SUSE-SU-2026:1247-1: important: Security update for nghttp2

SLE-UPDATES null at suse.de
Fri Apr 10 20:30:49 UTC 2026 


# Security update for nghttp2

Announcement ID: SUSE-SU-2026:1247-1  
Release Date: 2026-04-10T10:35:16Z  
Rating: important  
References:

  * bsc#1259845

  
Cross-References:

  * CVE-2026-27135

  
CVSS scores:

  * CVE-2026-27135 ( 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-2026-27135 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-27135 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Micro for Rancher 5.2
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for nghttp2 fixes the following issue:

  * CVE-2026-27135: assertion failure due to missing state validation can lead
    to DoS (bsc#1259845).

## 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 Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-1247=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1247=1

  * SUSE Linux Enterprise Micro 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1247=1

  * SUSE Linux Enterprise Micro for Rancher 5.2  
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1247=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1247=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-1247=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1247=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-1247=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1247=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1247=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1247=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1247=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1247=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1247=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1247=1

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1
  * SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
  * SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libnghttp2-14-1.40.0-150200.22.1
    * nghttp2-debuginfo-1.40.0-150200.22.1
    * nghttp2-debugsource-1.40.0-150200.22.1
    * libnghttp2_asio-devel-1.40.0-150200.22.1
    * libnghttp2-14-debuginfo-1.40.0-150200.22.1
    * libnghttp2_asio1-debuginfo-1.40.0-150200.22.1
    * libnghttp2-devel-1.40.0-150200.22.1
    * libnghttp2_asio1-1.40.0-150200.22.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    * libnghttp2-14-32bit-debuginfo-1.40.0-150200.22.1
    * libnghttp2-14-32bit-1.40.0-150200.22.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-27135.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259845

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