Vulnerability-Lookup

SUSE-SU-2025:4481-1

Vulnerability from csaf_suse - Published: 2025-12-18 12:18 - Updated: 2026-09-20 18:33

Summary

Security update for golang-github-prometheus-alertmanager

Severity

Moderate

Notes

Title of the patch: Security update for golang-github-prometheus-alertmanager

Description of the patch: 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.

Patchnames: SUSE-2025-4481,SUSE-SLE-Manager-Tools-15-2025-4481,SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-4481,SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-4481,SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-LTS-2025-4481,openSUSE-SLE-15.6-2025-4481

CVE-2025-47908

5.3 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 17 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Module for Package Hub 15 SP7:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.x86_64	—	Vendor Fix
Unresolved product id: SUSE Manager Client Tools 15:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.aarch64	—	Vendor Fix
Unresolved product id: SUSE Manager Client Tools 15:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Manager Client Tools 15:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.s390x	—	Vendor Fix
Unresolved product id: SUSE Manager Client Tools 15:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.x86_64	—	Vendor Fix
Unresolved product id: SUSE Manager Proxy LTS 4.3:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.6:golang-github-prometheus-alertmanager-0:0.28.1-150100.4.28.2.x86_64	—	Vendor Fix

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1247748	self
https://www.suse.com/security/cve/CVE-2025-47908/	self
https://www.suse.com/security/cve/CVE-2025-47908	external
https://bugzilla.suse.com/1247746	external

JSON

To clipboard

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CVE-2025-47908 (GCVE-0-2025-47908)

Vulnerability from cvelistv5 – Published: 2025-08-06 20:41 – Updated: 2025-08-07 13:47

Title

Denial of service via malicious preflight requests in github.com/rs/cors

Summary

Middleware causes a prohibitive amount of heap allocations when processing malicious preflight requests that include a Access-Control-Request-Headers (ACRH) header whose value contains many commas. This behavior can be abused by attackers to produce undue load on the middleware/server as an attempt to cause a denial of service.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-08-07 13:46 UTC

CWE

CWE-1325 - Improperly Controlled Sequential Memory Allocation

Assigner

Go Google root

References

3 references

URL	Tags
https://github.com/rs/cors/pull/171
https://github.com/rs/cors/issues/170
https://pkg.go.dev/vuln/GO-2024-2883

Impacted products

1 product

Vendor	Product	Version
github.com/rs/cors	github.com/rs/cors	Affected: 1.9.0 , < 1.11.0 (semver)

Credits

@jub0bs

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-47908",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-07T13:46:29.844868Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-07T13:47:15.232Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "github.com/rs/cors",
          "product": "github.com/rs/cors",
          "programRoutines": [
            {
              "name": "Cors.handlePreflight"
            },
            {
              "name": "Cors.areHeadersAllowed"
            },
            {
              "name": "New"
            },
            {
              "name": "splitHeaderValues"
            },
            {
              "name": "AllowAll"
            },
            {
              "name": "Cors.HandlerFunc"
            },
            {
              "name": "Cors.ServeHTTP"
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          "vendor": "github.com/rs/cors",
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              "status": "affected",
              "version": "1.9.0",
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      "problemTypes": [
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          "descriptions": [
            {
              "description": "CWE-1325: Improperly Controlled Sequential Memory Allocation",
              "lang": "en"
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        "shortName": "Go"
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          "url": "https://github.com/rs/cors/pull/171"
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      "title": "Denial of service via malicious preflight requests in github.com/rs/cors"
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  "cveMetadata": {
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    "assignerShortName": "Go",
    "cveId": "CVE-2025-47908",
    "datePublished": "2025-08-06T20:41:31.311Z",
    "dateReserved": "2025-05-13T23:31:29.597Z",
    "dateUpdated": "2025-08-07T13:47:15.232Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-SU-2025:4481-1

CVE-2025-47908 (GCVE-0-2025-47908)

Tags

Sightings

Nomenclature

Related by attack behaviour