Security update for nghttp2

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