High
pcp — security advisory
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.
- Products
- pcp
- Affected versions
- 3.10.6, 3.10.8, 3.10.8build1, 3.12.1, 3.12.2-1, 4.0.0-1, 4.0.1-1, 4.3.4-1build1, 4.3.4-1build2, 5.0.0-1, 5.0.1-1, 5.0.2-1.1, 5.0.2-1.1build1, 5.0.3-1, 5.3.2-1, 5.3.4-1, 5.3.5-1, 5.3.5-1build1, 5.3.6-1build1, 6.0.5-1, 6.1.0-1, 6.1.1-1, 6.1.1-1build2, 6.2.0-1, 6.2.0-1.1build3, 6.2.0-1.1build4, 6.3.8-1, 7.0.2-1, 7.1.0-1, 7.1.1-1, 7.1.3-2, 7.1.4-1, 7.1.5-1, 7.2.0-1, 7.2.1-2, 7.2.1-2build1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-16529
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:04 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2026-16529
pcp
Fixed versions: Not specified
pcp
Fixed versions: Not specified
pcp
Fixed versions: Not specified
pcp
Fixed versions: Not specified
pcp
Fixed versions: Not specified
pcp
Fixed versions: Not specified
pcp
Fixed versions: Not specified
Complete source record
{
"id": "0c33f55ecd192e939c9ee3a6a6d82e2b22492482fd41916588d5cd7d6e1bdc9e",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-16529",
"method": "structured",
"payload": {
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"title": "UBUNTU-CVE-2026-16529",
"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) for subsequent packet reads.",
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"modified": "2026-10-17T12:58:06.353731848Z",
"provider": "osv",
"upstream": [
"CVE-2026-16529"
],
"references": [
"https://ubuntu.com/security/CVE-2026-16529",
"https://www.cve.org/CVERecord?id=CVE-2026-16529",
"https://bugzilla.redhat.com/show_bug.cgi?id=2506032",
"https://access.redhat.com/security/cve/CVE-2026-16529"
]
},
"related_cves": [
{
"value": "CVE-2026-16529",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 358091,
"published_at": "2026-07-30T06:25:00+00:00"
}