Stack-Based Buffer Overflow in Pgpool-II by PGPool Development Group
CVE-2026-92870

8.7HIGH

Key Information:

Vendor

Pgpool Global Development Group

Status
Pgpool-ii
Vendor
CVE Published:
30 September 2026

What is CVE-2026-92870?

A stack-based buffer overflow vulnerability exists in Pgpool-II, a middleware for PostgreSQL, which could be exploited by unauthenticated attackers. This vulnerability may lead to abnormal termination of the Pgpool-II processes, potentially disrupting database services. Administrators are advised to update to the latest version to mitigate these risks.

Affected Version(s)

Pgpool-II 4.7.0 <= 4.7.2

Pgpool-II 4.6.0 <= 4.6.7

Pgpool-II 4.5.0 <= 4.5.12

References

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

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

CVSS V3.0

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.