Vulnerability · Published Jul 30, 2026 · Assigned by redhat

CVE-2026-16529Pcp: pcp: denial of service due to signed integer overflow

High 7.5

In plain English

A high-severity integer overflow in Red Hat Enterprise Linux 10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 58.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A signed integer overflow in the PCP __pmGetPDU() function can be exploited via crafted network packets during PDU processing or SASL negotiation. This permanently blinds the affected daemon, resulting in a total denial of service (DoS) for subsequent packet reads.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10pcp7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-conf7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-conf5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-conf6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-devel7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-devel5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-devel6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-doc7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-doc5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-doc6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2elasticsearch7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-pcp2elasticsearch5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-pcp2elasticsearch6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2graphite7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-pcp2graphite5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-pcp2graphite6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2influxdb7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-pcp2influxdb5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-pcp2influxdb6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2json7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-pcp2json5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-pcp2json6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2openmetrics7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-export-pcp2openmetrics6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2opentelemetry7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:10pcp-export-pcp2spark7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-pcp2spark5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-pcp2spark6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2xml7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-pcp2xml5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-pcp2xml6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-pcp2zabbix7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-pcp2zabbix5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-pcp2zabbix6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-export-zabbix-agent7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-export-zabbix-agent5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-export-zabbix-agent6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-geolocate7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-geolocate6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-gui7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-gui5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-gui6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-import-benchmarks7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:10pcp-import-collectl2pcp7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-import-collectl2pcp5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-import-collectl2pcp6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-import-ganglia2pcp7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-import-ganglia2pcp5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-import-ganglia2pcp6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-import-iostat2pcp7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-import-iostat2pcp5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-import-iostat2pcp6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-import-mrtg2pcp7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-import-mrtg2pcp6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-import-pmseries7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:10pcp-import-sar2pcp7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-import-sar2pcp5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-import-sar2pcp6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-libs7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-libs5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-libs6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-libs-devel7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-libs-devel6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-activemq7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-activemq5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-activemq6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-amdgpu7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-amdgpu6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-apache7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-apache5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-apache6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-bash7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-bash5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-bash6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-bcc7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-bcc5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-bcc6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-bind27.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-bind26.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-bonding7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-bonding5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-bonding6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-bpf7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-bpf6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-bpftrace7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-bpftrace5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-bpftrace6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-cifs7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-cifs6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-cisco7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-cisco5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-cisco6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-dbping7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-dbping5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-dbping6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-denki7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-denki5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-denki6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-dm7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-dm5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-dm6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-docker7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-docker5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-docker6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-ds3897.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-ds3895.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-ds3896.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-ds389log7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-ds389log5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-ds389log6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-elasticsearch7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-elasticsearch5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-elasticsearch6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-farm7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-farm6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:8pcp-pmda-gfs25.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-gfs26.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-gluster7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-gluster5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-gluster6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-gpfs7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-gpfs5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-gpfs6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-gpsd7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-gpsd6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-hacluster7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-hacluster5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-hacluster6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-haproxy7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-haproxy5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-haproxy6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-hdb7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:10pcp-pmda-infiniband7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-infiniband5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-infiniband6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:8pcp-pmda-json5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-json6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-libvirt7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-libvirt5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-libvirt6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-lio7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-lio5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-lio6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-lmsensors7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-lmsensors5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-lmsensors6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-logger7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-logger6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-lustre7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-lustre5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-lustre6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-lustrecomm7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-lustrecomm5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-lustrecomm6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-mailq7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-mailq5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-mailq6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-memcache7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-memcache5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-memcache6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-mic7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-mic5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-mic6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-mongodb7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-mongodb6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-mounts7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-mounts6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-mssql7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-mssql5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-mssql6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-mysql7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-mysql5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-mysql6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-named7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-named5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-named6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-netcheck7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-netcheck5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-netcheck6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-netfilter7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-netfilter5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-netfilter6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-news7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-news5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-news6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-nfsclient7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-nfsclient5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-nfsclient6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-nginx7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-nginx6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-nvidia-gpu7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:9pcp-pmda-nvidia-gpu6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-openmetrics7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-openmetrics5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-openmetrics6.3.7-8.el9_8.4ALSA-2026:55740
AlmaLinux:10pcp-pmda-opentelemetry7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:10pcp-pmda-openvswitch7.0.3-5.el10_2ALSA-2026:55617
AlmaLinux:8pcp-pmda-openvswitch5.3.7-22.el8_10.5ALSA-2026:55560
AlmaLinux:9pcp-pmda-openvswitch6.3.7-8.el9_8.4ALSA-2026:55740

Affected products (as reported)

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References