CVE-2026-92870 - Vulnerability Details

- Stack-based Buffer Overflow in Pgpool‑II Allows Unauthenticated Process Termination

Description

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

Published: 2026-09-30

Score: 8.7 High

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

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.

References

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

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		https://jvn.jp/en/jp/JVN22475874/ https://pgpool.net/news/2026-09-29/
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'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: jpcert

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

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

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

Link: CVE-2026-92870

Vulnrichment

No data.

NVD

Status : Received

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

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

Link: CVE-2026-92870

Redhat

No data.

OpenCVE Enrichment

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

Weaknesses

CWE-121
Stack-based Buffer Overflow

Tracking

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Subscriptions

JSON object

JSON object

JSON object

JSON object

JSON object