Name: CVE-2026-16529: Integer Overflow or Wraparound
Creator: Rapid7
Published: 2026-07-30T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-16529, CWE-190, CVSS 7.5, EPSS 0.00481

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.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade pcp-pmda-gpsdUpgrade pcp-pmda-sendmailUpgrade pcp-export-pcp2elasticsearchUpgrade pcp-pmda-snmpUpgrade pcp-pmda-bccUpgrade pcp-export-pcp2xmlUpgrade pcp-confUpgrade pcp-pmda-rabbitmqUpgrade pcp-export-pcp2zabbixUpgrade pcp-pmda-podmanUpgrade pcp-pmda-elasticsearchUpgrade pcpUpgrade pcp-pmda-zimbraUpgrade pcp-pmda-cifsUpgrade pcp-pmda-farmUpgrade pcp-pmda-lmsensorsUpgrade pcp-pmda-haclusterUpgrade pcp-pmda-shpingUpgrade pcp-pmda-glusterUpgrade pcp-export-pcp2sparkUpgrade perl-PCP-LogImportUpgrade pcp-export-pcp2graphiteUpgrade pcp-pmda-bpftraceUpgrade pcp-import-mrtg2pcpUpgrade pcp-pmda-openvswitchUpgrade pcp-pmda-mssqlUpgrade pcp-import-iostat2pcpUpgrade pcp-pmda-redisUpgrade pcp-pmda-summaryUpgrade pcp-pmda-bondingUpgrade pcp-pmda-ds389Upgrade pcp-pmda-openmetricsUpgrade pcp-pmda-smartUpgrade pcp-pmda-haproxyUpgrade pcp-pmda-traceUpgrade pcp-export-pcp2jsonUpgrade pcp-pmda-slurmUpgrade pcp-pmda-lustrecommUpgrade pcp-export-pcp2openmetricsUpgrade perl-PCP-PMDAUpgrade pcp-pmda-libvirtUpgrade pcp-pmda-pdnsUpgrade pcp-pmda-bashUpgrade pcp-pmda-bind2Upgrade pcp-pmda-denkiUpgrade pcp-pmda-postfixUpgrade pcp-pmda-weblogUpgrade pcp-pmda-activemqUpgrade pcp-pmda-memcacheUpgrade pcp-export-zabbix-agentUpgrade pcp-pmda-statsdUpgrade pcp-pmda-uwsgiUpgrade perl-PCP-LogSummaryUpgrade pcp-pmda-namedUpgrade pcp-pmda-gfs2Upgrade pcp-pmda-oracleUpgrade pcp-pmda-loggerUpgrade pcp-pmda-perfeventUpgrade pcp-pmda-netfilterUpgrade pcp-pmda-nfsclientUpgrade pcp-pmda-unboundUpgrade pcp-pmda-roomtempUpgrade pcp-pmda-newsUpgrade pcp-pmda-dockerUpgrade pcp-pmda-rsyslogUpgrade pcp-pmda-ds389logUpgrade pcp-pmda-lustreUpgrade pcp-system-toolsUpgrade pcp-pmda-dmUpgrade pcp-pmda-apacheUpgrade pcp-pmda-lioUpgrade pcp-pmda-dbpingUpgrade pcp-pmda-systemdUpgrade pcp-pmda-zswapUpgrade pcp-selinuxUpgrade pcp-testsuiteUpgrade pcp-pmda-mongodbUpgrade pcp-import-ganglia2pcpUpgrade pcp-pmda-bpfUpgrade pcp-pmda-resctrlUpgrade pcp-pmda-nginxUpgrade pcp-libsUpgrade pcp-pmda-nvidia-gpuUpgrade pcp-pmda-mysqlUpgrade perl-PCP-MMVUpgrade pcp-import-collectl2pcpUpgrade pcp-import-sar2pcpUpgrade pcp-guiUpgrade pcp-pmda-netcheckUpgrade pcp-pmda-postgresqlUpgrade pcp-pmda-jsonUpgrade pcp-pmda-infinibandUpgrade pcp-pmda-gpfsUpgrade pcp-pmda-mailqUpgrade pcp-geolocateUpgrade pcp-zeroconfUpgrade pcp-develUpgrade pcp-pmda-micUpgrade pcp-pmda-mountsUpgrade pcp-docUpgrade pcp-export-pcp2influxdbUpgrade python3-pcpUpgrade pcp-pmda-ciscoUpgrade pcp-pmda-sambaUpgrade pcp-pmda-amdgpuUpgrade pcp-pmda-socketsUpgrade pcp-libs-devel	Oct 11, 2026	Aug 17, 2026
Redhat_linux	—	Upgrade pcp-gui-debuginfoUpgrade pcp-pmda-smartUpgrade perl-PCP-LogSummaryUpgrade pcp-pmda-redisUpgrade pcp-pmda-activemqUpgrade perl-PCP-PMDA-debuginfoUpgrade perl-PCP-LogImport-debuginfoUpgrade pcp-debugsourceUpgrade pcp-pmda-resctrlUpgrade pcp-export-pcp2influxdbUpgrade pcp-pmda-traceUpgrade pcp-pmda-smart-debuginfoUpgrade pcp-pmda-denki-debuginfoUpgrade pcp-pmda-opentelemetryUpgrade pcp-pmda-hacluster-debuginfoUpgrade perl-PCP-MMVUpgrade pcp-pmda-cifs-debuginfoUpgrade pcp-pmda-ds389logUpgrade pcp-import-pmseriesUpgrade pcp-pmda-pdnsUpgrade pcpUpgrade perl-PCP-MMV-debuginfoUpgrade pcp-pmda-snmpUpgrade pcp-pmda-resctrl-debuginfoUpgrade pcp-pmda-amdgpu-debuginfoUpgrade pcp-guiUpgrade pcp-pmda-nginxUpgrade pcp-pmda-mailqUpgrade pcp-export-pcp2zabbixUpgrade pcp-pmda-farm-debuginfoUpgrade pcp-pmda-nvidia-gpu-debuginfoUpgrade pcp-pmda-sambaUpgrade pcp-pmda-statsd-debuginfoUpgrade pcp-selinuxUpgrade pcp-pmda-netcheckUpgrade pcp-pmda-lioUpgrade pcp-pmda-denkiUpgrade pcp-pmda-haproxyUpgrade pcp-docUpgrade pcp-devel-debuginfoUpgrade pcp-pmda-openmetricsUpgrade pcp-import-iostat2pcpUpgrade pcp-pmda-haclusterUpgrade pcp-pmda-libvirtUpgrade pcp-pmda-glusterUpgrade pcp-pmda-bind2Upgrade pcp-export-zabbix-agent-debuginfoUpgrade pcp-import-collectl2pcp-debuginfoUpgrade pcp-export-pcp2elasticsearchUpgrade pcp-pmda-mssqlUpgrade pcp-import-ganglia2pcpUpgrade pcp-pmda-bccUpgrade pcp-confUpgrade pcp-pmda-systemdUpgrade pcp-export-pcp2jsonUpgrade pcp-pmda-cifsUpgrade pcp-pmda-summaryUpgrade pcp-pmda-gfs2-debuginfoUpgrade pcp-pmda-mailq-debuginfoUpgrade pcp-pmda-lmsensorsUpgrade pcp-testsuite-debuginfoUpgrade pcp-pmda-podman-debuginfoUpgrade pcp-debuginfoUpgrade pcp-pmda-sendmailUpgrade pcp-pmda-mysqlUpgrade pcp-pmda-memcacheUpgrade pcp-pmda-dm-debuginfoUpgrade pcp-pmda-gpfsUpgrade pcp-pmda-nfsclientUpgrade pcp-pmda-unboundUpgrade pcp-pmda-postgresqlUpgrade pcp-pmda-rabbitmqUpgrade pcp-pmda-lustreUpgrade pcp-pmda-micUpgrade pcp-pmda-gpsdUpgrade pcp-pmda-rocestatUpgrade pcp-pmda-cisco-debuginfoUpgrade pcp-pmda-socketsUpgrade pcp-pmda-slurmUpgrade pcp-pmda-roomtemp-debuginfoUpgrade pcp-pmda-lustrecommUpgrade pcp-pmda-trace-debuginfoUpgrade pcp-geolocateUpgrade pcp-develUpgrade pcp-pmda-docker-debuginfoUpgrade pcp-pmda-ciscoUpgrade pcp-import-benchmarksUpgrade pcp-pmda-rsyslogUpgrade pcp-pmda-summary-debuginfoUpgrade pcp-pmda-zswapUpgrade pcp-libsUpgrade pcp-pmda-bash-debuginfoUpgrade pcp-pmda-amdgpuUpgrade pcp-pmda-statsdUpgrade python3-pcpUpgrade pcp-pmda-apacheUpgrade pcp-pmda-infiniband-debuginfoUpgrade pcp-pmda-bashUpgrade pcp-libs-debuginfoUpgrade pcp-pmda-netfilterUpgrade perl-PCP-LogImportUpgrade pcp-pmda-dockerUpgrade pcp-pmda-gfs2Upgrade pcp-pmda-weblog-debuginfoUpgrade pcp-pmda-zimbra-debuginfoUpgrade pcp-pmda-perfevent-debuginfoUpgrade pcp-pmda-openvswitchUpgrade pcp-pmda-shping-debuginfoUpgrade pcp-pmda-podmanUpgrade pcp-pmda-nvidia-gpuUpgrade pcp-export-pcp2opentelemetryUpgrade pcp-import-collectl2pcpUpgrade pcp-pmda-mongodbUpgrade pcp-pmda-roomtempUpgrade perl-PCP-PMDAUpgrade pcp-pmda-bpf-debuginfoUpgrade pcp-system-tools-debuginfoUpgrade pcp-export-pcp2graphiteUpgrade pcp-pmda-weblogUpgrade pcp-zeroconfUpgrade pcp-pmda-uwsgiUpgrade pcp-pmda-mounts-debuginfoUpgrade pcp-pmda-newsUpgrade python3-pcp-debuginfoUpgrade pcp-export-pcp2sparkUpgrade pcp-pmda-oracleUpgrade pcp-testsuiteUpgrade pcp-pmda-bpftraceUpgrade pcp-export-zabbix-agentUpgrade pcp-pmda-zimbraUpgrade pcp-import-sar2pcpUpgrade pcp-pmda-dbpingUpgrade pcp-pmda-elasticsearchUpgrade pcp-system-toolsUpgrade pcp-import-mrtg2pcpUpgrade pcp-pmda-ds389Upgrade pcp-pmda-lustrecomm-debuginfoUpgrade pcp-pmda-namedUpgrade pcp-pmda-logger-debuginfoUpgrade pcp-pmda-dmUpgrade pcp-pmda-sendmail-debuginfoUpgrade pcp-pmda-shpingUpgrade pcp-pmda-mountsUpgrade pcp-pmda-bondingUpgrade pcp-pmda-jsonUpgrade pcp-pmda-perfeventUpgrade pcp-pmda-postfixUpgrade pcp-pmda-infinibandNo solution existsUpgrade pcp-export-pcp2openmetricsUpgrade pcp-pmda-apache-debuginfoUpgrade pcp-pmda-farmUpgrade pcp-libs-develUpgrade pcp-pmda-loggerUpgrade pcp-pmda-sockets-debuginfoUpgrade pcp-export-pcp2xmlUpgrade pcp-pmda-systemd-debuginfoUpgrade pcp-pmda-hdbUpgrade pcp-pmda-bpf	Jul 31, 2026	Jul 30, 2026
Rocky_linux	—	Upgrade pcp-pmda-cifsUpgrade pcp-pmda-postfixUpgrade pcp-pmda-openmetricsUpgrade pcp-pmda-postgresqlUpgrade pcp-pmda-weblog-debuginfoUpgrade pcp-pmda-infinibandUpgrade pcp-pmda-glusterUpgrade pcp-pmda-dm-debuginfoUpgrade pcp-pmda-netfilterUpgrade pcp-pmda-cifs-debuginfoUpgrade pcp-pmda-denki-debuginfoUpgrade perl-PCP-LogImportUpgrade pcp-pmda-infiniband-debuginfoUpgrade pcp-pmda-elasticsearchUpgrade pcp-libsUpgrade pcp-pmda-roomtemp-debuginfoUpgrade pcp-pmda-libvirtUpgrade pcp-pmda-lustrecomm-debuginfoUpgrade pcp-pmda-apacheUpgrade pcp-pmda-bondingUpgrade pcp-pmda-bpfUpgrade pcp-pmda-socketsUpgrade pcp-pmda-apache-debuginfoUpgrade perl-PCP-PMDAUpgrade pcp-pmda-ds389Upgrade pcp-pmda-hacluster-debuginfoUpgrade pcp-pmda-dmUpgrade pcp-pmda-mysqlUpgrade pcp-pmda-gpsdUpgrade pcp-pmda-zimbra-debuginfoUpgrade pcp-pmda-ciscoUpgrade pcp-pmda-uwsgiUpgrade python3-pcp-debuginfoUpgrade pcp-import-collectl2pcpUpgrade pcp-pmda-sockets-debuginfoUpgrade pcp-pmda-sendmailUpgrade pcp-pmda-gfs2Upgrade pcp-develUpgrade pcp-pmda-lmsensorsUpgrade pcp-pmda-micUpgrade pcp-geolocateUpgrade pcp-pmda-newsUpgrade pcp-libs-develUpgrade pcp-pmda-podmanUpgrade pcp-pmda-shping-debuginfoUpgrade pcp-pmda-gpfsUpgrade pcp-pmda-statsdUpgrade pcp-zeroconfUpgrade python3-pcpUpgrade pcp-pmda-perfevent-debuginfoUpgrade pcp-pmda-ds389logUpgrade perl-PCP-PMDA-debuginfoUpgrade pcp-pmda-farmUpgrade pcp-libs-debuginfoUpgrade pcp-pmda-zimbraUpgrade pcp-debuginfoUpgrade pcp-pmda-cisco-debuginfoUpgrade pcp-pmda-farm-debuginfoUpgrade pcp-pmda-bashUpgrade pcp-pmda-mailqUpgrade pcp-export-pcp2elasticsearchUpgrade pcp-pmda-mountsUpgrade pcp-pmda-amdgpuUpgrade pcp-pmda-gfs2-debuginfoUpgrade pcp-pmda-logger-debuginfoUpgrade pcp-pmda-mongodbUpgrade pcp-export-zabbix-agentUpgrade pcp-pmda-perfeventUpgrade pcp-pmda-pdnsUpgrade pcp-system-toolsUpgrade pcp-import-sar2pcpUpgrade pcp-pmda-haproxyUpgrade pcp-pmda-dockerUpgrade pcp-pmda-dbpingUpgrade pcp-pmda-mailq-debuginfoUpgrade pcp-pmda-summaryUpgrade pcp-pmda-roomtempUpgrade pcp-pmda-systemd-debuginfoUpgrade pcp-pmda-loggerUpgrade pcp-pmda-rabbitmqUpgrade pcp-pmda-smart-debuginfoUpgrade pcp-pmda-resctrlUpgrade pcp-debugsourceUpgrade pcp-pmda-oracleUpgrade pcp-import-collectl2pcp-debuginfoUpgrade pcp-guiUpgrade perl-PCP-MMVUpgrade pcp-export-zabbix-agent-debuginfoUpgrade perl-PCP-LogSummaryUpgrade pcp-pmda-zswapUpgrade pcp-pmda-activemqUpgrade pcp-pmda-bash-debuginfoUpgrade pcp-pmda-mssqlUpgrade pcp-pmda-memcacheUpgrade pcp-system-tools-debuginfoUpgrade pcp-pmda-trace-debuginfoUpgrade pcp-export-pcp2sparkUpgrade pcp-pmda-docker-debuginfoUpgrade pcp-pmda-smartUpgrade pcp-pmda-namedUpgrade pcp-import-ganglia2pcpUpgrade pcp-testsuiteUpgrade pcp-pmda-rsyslogUpgrade pcp-pmda-resctrl-debuginfoUpgrade pcp-export-pcp2graphiteUpgrade pcp-selinuxUpgrade pcp-import-mrtg2pcpUpgrade pcp-gui-debuginfoUpgrade pcp-confUpgrade pcp-pmda-traceUpgrade pcp-pmda-systemdUpgrade pcp-pmda-summary-debuginfoUpgrade pcp-pmda-statsd-debuginfoUpgrade pcp-pmda-shpingUpgrade pcp-pmda-sendmail-debuginfoUpgrade pcp-pmda-podman-debuginfoUpgrade pcp-pmda-nvidia-gpuUpgrade pcp-pmda-nfsclientUpgrade pcp-pmda-netcheckUpgrade pcp-pmda-bccUpgrade pcp-pmda-lustrecommUpgrade pcp-pmda-haclusterUpgrade pcp-pmda-bpftraceUpgrade pcp-export-pcp2influxdbUpgrade pcp-devel-debuginfoUpgrade pcpUpgrade pcp-pmda-weblogUpgrade pcp-pmda-unboundUpgrade perl-PCP-MMV-debuginfoUpgrade pcp-pmda-nginxUpgrade pcp-pmda-lustreUpgrade pcp-pmda-lioUpgrade pcp-pmda-denkiUpgrade pcp-pmda-bpf-debuginfoUpgrade pcp-export-pcp2jsonUpgrade pcp-pmda-snmpUpgrade pcp-pmda-slurmUpgrade pcp-pmda-mounts-debuginfoUpgrade pcp-pmda-jsonUpgrade pcp-testsuite-debuginfoUpgrade pcp-pmda-nvidia-gpu-debuginfoUpgrade pcp-pmda-bind2Upgrade perl-PCP-LogImport-debuginfoUpgrade pcp-pmda-sambaUpgrade pcp-pmda-redisUpgrade pcp-pmda-openvswitchUpgrade pcp-pmda-amdgpu-debuginfoUpgrade pcp-import-iostat2pcpUpgrade pcp-export-pcp2zabbixUpgrade pcp-export-pcp2xmlUpgrade pcp-export-pcp2openmetrics	Aug 20, 2026	Aug 18, 2026

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CVSS Details

Covered by Rapid7

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