RHSA-2026:56223: Important: grafana-pcp security update

Published Aug 18, 2026
·
Updated

Important: grafana-pcp security update

Other sources

The Grafana plugin for Performance Co-Pilot includes datasources for scalable time series from pmseries and Redis, live PCP metrics and bpftrace scripts from pmdabpftrace, as well as several dashboards.Security Fix(es): golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat

Affected Software

25 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
redhat/grafana-pcp<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp-debuginfo<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp-debugsource<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp-debuginfo<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp-debugsource<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp-debuginfo<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp-debugsource<5.1.1-15.el9_6
5.1.1-15.el9_6
redhat/grafana-pcp<5.1.1-15.el9_6.aa
5.1.1-15.el9_6.aa
redhat/grafana-pcp-debuginfo<5.1.1-15.el9_6.aa
5.1.1-15.el9_6.aa
redhat/grafana-pcp-debugsource<5.1.1-15.el9_6.aa
5.1.1-15.el9_6.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/grafana-pcp to a version that resolves this vulnerability.

    Fixed in 5.1.1-15.el9_6
  2. Upgrade

    Upgrade redhat/grafana-pcp-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.1.1-15.el9_6
  3. Upgrade

    Upgrade redhat/grafana-pcp-debugsource to a version that resolves this vulnerability.

    Fixed in 5.1.1-15.el9_6
  4. Upgrade

    Upgrade redhat/grafana-pcp to a version that resolves this vulnerability.

    Fixed in 5.1.1-15.el9_6.aa
  5. Upgrade

    Upgrade redhat/grafana-pcp-debuginfo to a version that resolves this vulnerability.

    Fixed in 5.1.1-15.el9_6.aa
  6. Upgrade

    Upgrade redhat/grafana-pcp-debugsource to a version that resolves this vulnerability.

    Fixed in 5.1.1-15.el9_6.aa

Event History

Aug 18, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·02:27 PM
Data Sourced
via Red Hat·02:27 PM
Severity

Frequently Asked Questions

1

Which systems and package artifacts are covered by this advisory?

The update applies to grafana-pcp and its debuginfo and debugsource packages on the listed Red Hat Enterprise Linux x86_64 and ARM 64 update channels, including SAP Solutions, Extended Update Support, AUS, and ARM 64 four-year update channels.

2

How should this update be prioritized?

The advisory is classified as Important, with a listed severity of high (7). It addresses CVE-2026-39821.

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