RLSA-2026:55740

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Source
https://errata.rockylinux.org/RLSA-2026:55740
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:55740.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:55740
Upstream
CVE (4)
  • CVE-2026-16524
  • CVE-2026-16526
  • CVE-2026-16527
  • CVE-2026-16529
Published
2026-08-18T06:04:25Z
Modified
2026-08-18T06:30:06Z
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",
    "license_url":  "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory":  "RHSA-2026:55740"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9 / pcp

Package

Name
pcp
Purl
pkg:rpm/rocky-linux/pcp?distro=rocky-linux-9&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:6.3.7-8.el9_8.4
Database specific
Show details 
{
    "yum_repository":  "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:55740.json"