---
id: CVE-2026-92870
title: >-
  A stack-based buffer overflow vulnerability exists in Pgpool-II, which may
  allow an unauthenticated attacker to cause abnormal process termination.
summary: >-
  A stack-based buffer overflow vulnerability exists in Pgpool-II, which may
  allow an unauthenticated attacker to cause abnormal process termination.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-121
vendor: Pgpool Global Development Group
product: Pgpool-II
affected:
  - Pgpool-II >= 4.7.0 <= 4.7.2
  - Pgpool-II >= 4.6.0 <= 4.6.7
  - Pgpool-II >= 4.5.0 <= 4.5.12
  - Pgpool-II >= 4.4.0 <= 4.4.17
  - Pgpool-II >= 4.3.0 <= 4.3.20
  - Pgpool-II >= 3.5.x <= 4.2.x
published: '2026-09-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T20:17:37.253'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92870'
references:
  - url: 'https://jvn.jp/en/jp/JVN22475874/'
    label: vultures@jpcert.or.jp
  - url: 'https://pgpool.net/news/2026-09-29/'
    label: vultures@jpcert.or.jp
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92870.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-92870'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-92870'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92870'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-30T19:41:45.298402Z'
epss: 0.0032
epssPercentile: 0.2487
ingestedAt: '2026-09-30T07:59:43.039Z'
---

## Overview

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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · updated 2026-10-01 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92870.json)