CVE-2026-16529
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-07-30 06:25:02.953000
Last modified
2026-11-04 22:18:01.450000
View original CVE JSON
{
"id": "CVE-2026-16529",
"sourceIdentifier": "[email protected]",
"published": "2026-07-30T06:25:02.953",
"lastModified": "2026-11-04T22:18:01.450",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 10",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "pcp",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.2"
],
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{
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"lessThan": "*",
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}
]
},
{
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],
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{
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}
]
},
{
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"packageName": "pcp",
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],
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{
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}
]
},
{
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],
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}
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{
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],
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}
]
},
{
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},
{
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],
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},
{
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}
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{
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}
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},
{
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],
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}
]
},
{
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],
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{
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"status": "unaffected"
}
]
},
{
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],
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{
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}
]
},
{
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"packageName": "pcp",
"cpes": [
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]
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{
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]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4",
"defaultStatus": "unaffected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "openshift/ose-rhel-coreos-9",
"cpes": [
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]
},
{
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"product": "Red Hat OpenShift Container Platform 5",
"defaultStatus": "unaffected",
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"packageName": "openshift/ose-rhel-coreos-9",
"cpes": [
"cpe:/a:redhat:openshift:5"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-30T13:58:13.919881Z",
"id": "CVE-2026-16529",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-190"
}
]
}
],
"references": [
{
"url": "https://access.redhat.com/errata/RHSA-2026:55560",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:55617",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:55740",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72272",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72273",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72593",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:72594",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:73767",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:74612",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:74613",
"source": "[email protected]"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-16529",
"source": "[email protected]"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2506032",
"source": "[email protected]"
}
]
}