A stack-based buffer overflow vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to cause abnormal process termination.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0032.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Pgpool Global Development Group Pgpool-II unaffected
Version Status Constraints
4.7.0 affected ≤ 4.7.2
4.6.0 affected ≤ 4.6.7
4.5.0 affected ≤ 4.5.12
4.4.0 affected ≤ 4.4.17
4.3.0 affected ≤ 4.3.20
3.5.x affected ≤ 4.2.x

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN22475874/ cve-icon cve-icon
https://pgpool.net/news/2026-09-29/ cve-icon cve-icon
History

Wed, 30 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Title Stack-based Buffer Overflow in Pgpool‑II Allows Unauthenticated Process Termination

Wed, 30 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to cause abnormal process termination.
Weaknesses CWE-121
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-09-30T07:21:24.156Z

Reserved: 2026-09-17T06:31:54.744Z

Link: CVE-2026-92870

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-30T08:16:35.040

Modified: 2026-09-30T08:16:35.040

Link: CVE-2026-92870

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T12:15:17Z

Weaknesses