{"id":"RLSA-2026:55617","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.","modified":"2026-08-18T12:30:03.249712768Z","published":"2026-08-18T12:07:31.722662Z","upstream":["CVE-2026-16524","CVE-2026-16526","CVE-2026-16527","CVE-2026-16529"],"database_specific":{"license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:55617","license":"CC-BY-4.0"},"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"}],"affected":[{"package":{"name":"pcp","ecosystem":"Rocky Linux:10","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"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:55617.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}