SUSE-SU-2026:1074-1: important: Security update for nghttp2

[SLE-SECURITY-UPDATES]

# Security update for nghttp2

Announcement ID: SUSE-SU-2026:1074-1  
Release Date: 2026-03-26T12:39:57Z  
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
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * 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 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:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1074=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * nghttp2-debugsource-1.64.0-150700.3.3.1
    * nghttp2-debuginfo-1.64.0-150700.3.3.1
    * libnghttp2-14-debuginfo-1.64.0-150700.3.3.1
    * libnghttp2-14-1.64.0-150700.3.3.1
    * libnghttp2-devel-1.64.0-150700.3.3.1
  * Basesystem Module 15-SP7 (x86_64)
    * libnghttp2-14-32bit-1.64.0-150700.3.3.1
    * libnghttp2-14-32bit-debuginfo-1.64.0-150700.3.3.1

## References:

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

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