SUSE-SU-2025:01992-1: moderate: Security update for golang-github-prometheus-alertmanager

[SLE-UPDATES]

# Security update for golang-github-prometheus-alertmanager

Announcement ID: SUSE-SU-2025:01992-1  
Release Date: 2025-06-18T02:13:13Z  
Rating: moderate  
References:

  * bsc#1236516
  * bsc#1238686
  * jsc#MSQA-992

  
Cross-References:

  * CVE-2023-45288
  * CVE-2025-22870

  
CVSS scores:

  * CVE-2023-45288 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2023-45288 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2025-22870 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-22870 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
  * CVE-2025-22870 ( NVD ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

  
Affected Products:

  * openSUSE Leap 15.3
  * openSUSE Leap 15.4
  * openSUSE Leap 15.5
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15
  * SUSE Linux Enterprise Desktop 15 SP1
  * SUSE Linux Enterprise Desktop 15 SP2
  * SUSE Linux Enterprise Desktop 15 SP3
  * SUSE Linux Enterprise Desktop 15 SP4
  * SUSE Linux Enterprise Desktop 15 SP5
  * SUSE Linux Enterprise Desktop 15 SP6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise High Performance Computing 15
  * SUSE Linux Enterprise High Performance Computing 15 SP1
  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP3
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP1
  * SUSE Linux Enterprise Real Time 15 SP2
  * SUSE Linux Enterprise Real Time 15 SP3
  * SUSE Linux Enterprise Real Time 15 SP4
  * SUSE Linux Enterprise Real Time 15 SP5
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15
  * SUSE Linux Enterprise Server 15 SP1
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server 15 SP3
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP3
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Manager Client Tools for SLE 15
  * SUSE Manager Proxy 4.3
  * SUSE Manager Proxy 4.3 Module
  * SUSE Manager Retail Branch Server 4.3
  * SUSE Package Hub 15 15-SP6
  * SUSE Package Hub 15 15-SP7

  
  
An update that solves two vulnerabilities and contains one feature can now be
installed.

## Description:

This update for golang-github-prometheus-alertmanager fixes the following
issues:

  * Security:
  * CVE-2025-22870: Fix proxy bypassing using IPv6 zone IDs (bsc#1238686)
  * CVE-2023-45288: Fix HTTP/2 CONTINUATION flood in net/http (bsc#1236516)

## 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 openSUSE-SLE-15.6-2025-1992=1

  * SUSE Manager Client Tools for SLE 15  
    zypper in -t patch SUSE-SLE-Manager-Tools-15-2025-1992=1

  * SUSE Package Hub 15 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-1992=1

  * SUSE Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-1992=1

  * SUSE Manager Proxy 4.3 Module  
    zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Proxy-4.3-2025-1992=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * golang-github-prometheus-alertmanager-debuginfo-0.26.0-150100.4.25.2
    * golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2
  * SUSE Manager Client Tools for SLE 15 (aarch64 ppc64le s390x x86_64)
    * golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2
  * SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x x86_64)
    * golang-github-prometheus-alertmanager-debuginfo-0.26.0-150100.4.25.2
    * golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2
  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    * golang-github-prometheus-alertmanager-debuginfo-0.26.0-150100.4.25.2
    * golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2
  * SUSE Manager Proxy 4.3 Module (aarch64 ppc64le s390x x86_64)
    * golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2

## References:

  * https://www.suse.com/security/cve/CVE-2023-45288.html
  * https://www.suse.com/security/cve/CVE-2025-22870.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1236516
  * https://bugzilla.suse.com/show_bug.cgi?id=1238686
  * https://jira.suse.com/browse/MSQA-992

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