{"id":"CVE-2026-16529","title":"A signed integer overflow in the PCP __pmGetPDU() function can be exploited via crafted network packets during PDU processing or SASL negotiation","summary":"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) …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-190"],"vendor":"Red Hat","product":"pcp","affected":["pcp (all versions)","pcp (all versions)","pcp (all versions)","pcp (all versions)","pcp (all versions)","pcp","pcp (all versions)","openshift/ose-rhel-coreos-9"],"published":"2026-07-30","updated":"2026-09-28","sourceUpdated":"2026-09-28T10:16:43.720","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16529","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:55560","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:55617","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:55740","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72272","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72273","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-16529","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506032","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"epss":0.00361,"epssPercentile":0.27367,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-30T13:58:13.919881Z"},"ingestedAt":"2026-09-28T10:07:17.786Z","slug":"CVE-2026-16529","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}