{"schema_version": "1.7.0", "id": "RLSA-2026:55617", "modified": "2026-08-18T12:10:03.113937Z", "published": "2026-08-18T12:07:31.722662Z", "upstream": ["CVE-2026-16524", "CVE-2026-16526", "CVE-2026-16527", "CVE-2026-16529"], "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.\n\nSecurity Fix(es):\n\n* PCP: PCP linux_sockets PMDA: Arbitrary Command Execution via Command Injection (CVE-2026-16524)\n\n* PCP: PCP: Privilege escalation to root via linux_sockets PMDA vulnerability (CVE-2026-16526)\n\n* PCP: PCP pmproxy: Unauthenticated access to /store endpoint allows bypassing pmcd access rules (CVE-2026-16527)\n\n* PCP: PCP: Denial of Service due to signed integer overflow (CVE-2026-16529)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "pcp", "purl": "pkg:rpm/rocky-linux/pcp?distro=rocky-linux-10&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:7.0.3-5.el10_2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:55617"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506023"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506031"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506032"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506026"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:55617"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:55617"}}