SUSE alert SUSE-SU-2026:1350-1 (nghttp2)

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OPENSUSE-SECURITY-UPDATES <null@suse.de>
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security-announce@lists.opensuse.org
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SUSE-SU-2026:1350-1: important: Security update for nghttp2
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Wed, 15 Apr 2026 20:33:46 -0000
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<177628522692.2815.12792262765708734566@6fd1d05cebf0>
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Article


# Security update for nghttp2

Announcement ID: SUSE-SU-2026:1350-1  
Release Date: 2026-04-15T13:36:32Z  
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:

  * Basesystem Module 15-SP7
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 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 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:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-1350=1 openSUSE-SLE-15.6-2026-1350=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1350=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1350=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1350=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * libnghttp2-devel-1.40.0-150600.25.5.1
    * libnghttp2_asio-devel-1.40.0-150600.25.5.1
    * libnghttp2_asio1-1.40.0-150600.25.5.1
    * nghttp2-debuginfo-1.40.0-150600.25.5.1
    * python3-nghttp2-1.40.0-150600.25.5.1
    * nghttp2-python-debugsource-1.40.0-150600.25.5.1
    * libnghttp2-14-debuginfo-1.40.0-150600.25.5.1
    * nghttp2-debugsource-1.40.0-150600.25.5.1
    * python3-nghttp2-debuginfo-1.40.0-150600.25.5.1
    * libnghttp2-14-1.40.0-150600.25.5.1
    * libnghttp2_asio1-debuginfo-1.40.0-150600.25.5.1
    * nghttp2-1.40.0-150600.25.5.1
  * openSUSE Leap 15.6 (x86_64)
    * libnghttp2-14-32bit-1.40.0-150600.25.5.1
    * libnghttp2_asio1-32bit-1.40.0-150600.25.5.1
    * libnghttp2-14-32bit-debuginfo-1.40.0-150600.25.5.1
    * libnghttp2_asio1-32bit-debuginfo-1.40.0-150600.25.5.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * libnghttp2-14-64bit-1.40.0-150600.25.5.1
    * libnghttp2-14-64bit-debuginfo-1.40.0-150600.25.5.1
    * libnghttp2_asio1-64bit-debuginfo-1.40.0-150600.25.5.1
    * libnghttp2_asio1-64bit-1.40.0-150600.25.5.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libnghttp2_asio-devel-1.40.0-150600.25.5.1
    * nghttp2-debuginfo-1.40.0-150600.25.5.1
    * libnghttp2_asio1-1.40.0-150600.25.5.1
    * nghttp2-debugsource-1.40.0-150600.25.5.1
    * libnghttp2_asio1-debuginfo-1.40.0-150600.25.5.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * libnghttp2-devel-1.40.0-150600.25.5.1
    * libnghttp2_asio-devel-1.40.0-150600.25.5.1
    * libnghttp2_asio1-1.40.0-150600.25.5.1
    * nghttp2-debuginfo-1.40.0-150600.25.5.1
    * libnghttp2-14-debuginfo-1.40.0-150600.25.5.1
    * nghttp2-debugsource-1.40.0-150600.25.5.1
    * libnghttp2-14-1.40.0-150600.25.5.1
    * libnghttp2_asio1-debuginfo-1.40.0-150600.25.5.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
    * libnghttp2-14-32bit-1.40.0-150600.25.5.1
    * libnghttp2-14-32bit-debuginfo-1.40.0-150600.25.5.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * libnghttp2-devel-1.40.0-150600.25.5.1
    * libnghttp2_asio-devel-1.40.0-150600.25.5.1
    * libnghttp2_asio1-1.40.0-150600.25.5.1
    * nghttp2-debuginfo-1.40.0-150600.25.5.1
    * libnghttp2-14-debuginfo-1.40.0-150600.25.5.1
    * nghttp2-debugsource-1.40.0-150600.25.5.1
    * libnghttp2-14-1.40.0-150600.25.5.1
    * libnghttp2_asio1-debuginfo-1.40.0-150600.25.5.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
    * libnghttp2-14-32bit-1.40.0-150600.25.5.1
    * libnghttp2-14-32bit-debuginfo-1.40.0-150600.25.5.1

## References:

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



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