SUSE-SU-2026:3421-1

Source
https://www.suse.com/support/update/announcement/2026/suse-su-20263421-1/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3421-1.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2026:3421-1
Upstream
Related
Published
2026-07-30T07:37:12Z
Modified
2026-07-30T17:15:09Z
Summary
Security update for prometheus-ha_cluster_exporter
Details

This update for prometheus-ha_cluster_exporter fixes the following issue:

  • CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266552).

Other updates and bugfixes:

  • add support to show overall cluster maintenance mode.
  • add supportconfig plugin (jsc#PED-2560).
  • update the CI workflow.
  • change default OBS development project.
  • bump required Go version to 1.23.
  • fix corosync collector parser when using IPv6 hostnames (#245).
  • Bump github.com/prometheus/client_model from 0.3.0 to 0.4.0 .
  • Bump github.com/prometheus/client_golang from 1.15.0 to 1.15.1 .
  • Bump github.com/prometheus/common from 0.42.0 to 0.44.0.
  • Bump github.com/spf13/viper from 1.15.0 to 1.16.0.
  • Bump github.com/stretchr/testify from 1.8.2 to 1.8.4.
  • Bump github.com/prometheus/client_golang from 1.15.1 to 1.16.0.
  • Bump github.com/prometheus/client_golang from 1.16.0 to 1.17.0.
  • Bump golang.org/x/net from 0.10.0 to 0.17.0.
  • Bump github.com/prometheus/common from 0.44.0 to 0.55.0.
  • Bump github.com/spf13/viper from 1.16.0 to 1.19.0.
  • Bump actions/download-artifact from 3 to 4.1.7.
  • Bump github.com/prometheus/client_golang from 1.19.1 to 1.20.2.
  • Bump github.com/prometheus/common from 0.55.0 to 0.59.1.
  • Bump github.com/prometheus/client_golang from 1.20.2 to 1.20.4.
  • Bump github.com/prometheus/client_golang from 1.20.4 to 1.20.5.
  • Bump github.com/stretchr/testify from 1.9.0 to 1.10.0.
  • Bump golang.org/x/crypto from 0.26.0 to 0.31.0.
  • Full changelog: https://github.com/ClusterLabs/ha_cluster_exporter/compare/1.3.3...1.4.0
References

Affected packages

SUSE:Linux Enterprise Server for SAP Applications 12 SP5 / prometheus-ha_cluster_exporter

Package

Name
prometheus-ha_cluster_exporter
Purl
pkg:rpm/suse/prometheus-ha_cluster_exporter&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.4.2-4.34.1

Ecosystem specific

{
    "binaries":  [
        {
            "prometheus-ha_cluster_exporter":  "1.4.2-4.34.1"
        }
    ]
}

Database specific

source
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:3421-1.json"