Security update for nghttp2

Announcement ID: SUSE-SU-2026:1056-1
Release Date: 2026-03-26T08:57:43Z
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:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 12 SP5 LTSS
  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

Description:

This update for nghttp2 fixes the following issues:

  • 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 12 SP5 LTSS Extended Security
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1056=1
  • SUSE Linux Enterprise Server 12 SP5 LTSS
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1056=1

Package List:

  • SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    • libnghttp2-14-32bit-1.39.2-3.23.1
    • libnghttp2-devel-1.39.2-3.23.1
    • libnghttp2-14-debuginfo-32bit-1.39.2-3.23.1
    • libnghttp2-14-1.39.2-3.23.1
    • libnghttp2-14-debuginfo-1.39.2-3.23.1
    • nghttp2-debugsource-1.39.2-3.23.1
    • nghttp2-debuginfo-1.39.2-3.23.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    • libnghttp2-devel-1.39.2-3.23.1
    • libnghttp2-14-1.39.2-3.23.1
    • libnghttp2-14-debuginfo-1.39.2-3.23.1
    • nghttp2-debugsource-1.39.2-3.23.1
    • nghttp2-debuginfo-1.39.2-3.23.1
  • SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    • libnghttp2-14-debuginfo-32bit-1.39.2-3.23.1
    • libnghttp2-14-32bit-1.39.2-3.23.1

References: