Security update for golang-github-prometheus-alertmanager

Announcement ID: SUSE-SU-2025:4481-1
Release Date: 2025-12-18T12:19:03Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2025-47908 ( 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-2025-47908 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2025-47908 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 LTS
  • SUSE Manager Retail Branch Server 4.3
  • SUSE Package Hub 15 15-SP6
  • SUSE Package Hub 15 15-SP7

An update that solves one vulnerability and contains two features can now be installed.

Description:

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

  • Update to version 0.28.1 (jsc#PED-13285):
  • Improved performance of inhibition rules when using Equal labels.
  • Improve the documentation on escaping in UTF-8 matchers.
  • Update alertmanager_config_hash metric help to document the hash is not cryptographically strong.
  • Fix panic in amtool when using --verbose.
  • Fix templating of channel field for Rocket.Chat.
  • Fix rocketchat_configs written as rocket_configs in docs.
  • Fix usage for --enable-feature flag.
  • Trim whitespace from OpsGenie API Key.
  • Fix Jira project template not rendered when searching for existing issues.
  • Fix subtle bug in JSON/YAML encoding of inhibition rules that would cause Equal labels to be omitted.
  • Fix header for slack_configs in docs.
  • Fix weight and wrap of Microsoft Teams notifications.
  • Upgrade to version 0.28.0:
  • CVE-2025-47908: Bump github.com/rs/cors (bsc#1247748).
  • Templating errors in the SNS integration now return an error.
  • Adopt log/slog, drop go-kit/log.
  • Add a new Microsoft Teams integration based on Flows.
  • Add a new Rocket.Chat integration.
  • Add a new Jira integration.
  • Add support for GOMEMLIMIT, enable it via the feature flag --enable-feature=auto-gomemlimit.
  • Add support for GOMAXPROCS, enable it via the feature flag --enable-feature=auto-gomaxprocs.
  • Add support for limits of silences including the maximum number of active and pending silences, and the maximum size per silence (in bytes). You can use the flags --silences.max-silences and --silences.max-silence-size-bytes to set them accordingly.
  • Muted alerts now show whether they are suppressed or not in both the /api/v2/alerts endpoint and the Alertmanager UI.
  • Upgrade to version 0.27.0:
  • API: Removal of all api/v1/ endpoints. These endpoints now log and return a deprecation message and respond with a status code of 410.
  • UTF-8 Support: Introduction of support for any UTF-8 character as part of label names and matchers.
  • Discord Integration: Enforce max length in message.
  • Metrics: Introduced the experimental feature flag --enable-feature=receiver-name-in-metrics to include the receiver name.
  • Metrics: Introduced a new gauge named alertmanager_inhibition_rules that counts the number of configured inhibition rules.
  • Metrics: Introduced a new counter named alertmanager_alerts_supressed_total that tracks muted alerts, it contains a reason label to indicate the source of the mute.
  • Discord Integration: Introduced support for webhook_url_file.
  • Microsoft Teams Integration: Introduced support for webhook_url_file.
  • Microsoft Teams Integration: Add support for summary.
  • Metrics: Notification metrics now support two new values for the label reason, contextCanceled and contextDeadlineExceeded.
  • Email Integration: Contents of auth_password_file are now trimmed of prefixed and suffixed whitespace.
  • amtool: Fixes the error scheme required for webhook url when using amtool with --alertmanager.url.
  • Mixin: Fix AlertmanagerFailedToSendAlerts, AlertmanagerClusterFailedToSendAlerts, and AlertmanagerClusterFailedToSendAlerts to make sure they ignore the reason label.

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 Package Hub 15 15-SP7
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-4481=1
  • SUSE Manager Proxy 4.3 LTS
    zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-LTS-2025-4481=1
  • openSUSE Leap 15.6
    zypper in -t patch openSUSE-SLE-15.6-2025-4481=1
  • SUSE Manager Client Tools for SLE 15
    zypper in -t patch SUSE-SLE-Manager-Tools-15-2025-4481=1
  • SUSE Package Hub 15 15-SP6
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-4481=1

Package List:

  • SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    • golang-github-prometheus-alertmanager-0.28.1-150100.4.28.2
    • golang-github-prometheus-alertmanager-debuginfo-0.28.1-150100.4.28.2
  • SUSE Manager Proxy 4.3 LTS (x86_64)
    • golang-github-prometheus-alertmanager-0.28.1-150100.4.28.2
  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    • golang-github-prometheus-alertmanager-0.28.1-150100.4.28.2
    • golang-github-prometheus-alertmanager-debuginfo-0.28.1-150100.4.28.2
  • SUSE Manager Client Tools for SLE 15 (aarch64 ppc64le s390x x86_64)
    • golang-github-prometheus-alertmanager-0.28.1-150100.4.28.2
  • SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x x86_64)
    • golang-github-prometheus-alertmanager-0.28.1-150100.4.28.2
    • golang-github-prometheus-alertmanager-debuginfo-0.28.1-150100.4.28.2

References: