RLSA-2026:55617

See a problem?
Please try reporting it to the source first.

Source

https://errata.rockylinux.org/RLSA-2026:55617

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:55617.json

JSON Data

https://api.osv.dev/v1/vulns/RLSA-2026:55617

Upstream

CVE-2026-16524

CVE-2026-16526

CVE-2026-16527

CVE-2026-16529

Published

2026-08-18T12:07:31.722662Z

Modified

2026-08-18T12:30:03.249712768Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Important: pcp security update

Details

Performance Co-Pilot (PCP) is a suite of tools, services, and libraries for acquisition, archiving, and analysis of system-level performance measurements. Its light-weight distributed architecture makes it particularly well-suited to centralized analysis of complex systems.

Security Fix(es):

PCP: PCP linux_sockets PMDA: Arbitrary Command Execution via Command Injection (CVE-2026-16524)
PCP: PCP: Privilege escalation to root via linux_sockets PMDA vulnerability (CVE-2026-16526)
PCP: PCP pmproxy: Unauthenticated access to /store endpoint allows bypassing pmcd access rules (CVE-2026-16527)
PCP: PCP: Denial of Service due to signed integer overflow (CVE-2026-16529)

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.

Database specific

{
    "license": "CC-BY-4.0",
    "source_advisory": "RHSA-2026:55617",
    "license_url": "https://creativecommons.org/licenses/by/4.0/"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:10 / pcp

Package

Name: pcp
Purl: pkg:rpm/rocky-linux/pcp?distro=rocky-linux-10&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:7.0.3-5.el10_2

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:55617.json"