Pgpool Global Development Group Pgpool-II up to 4.7.2 buffer overflow

Summaryinfo

A vulnerability was found in Pgpool Global Development Group Pgpool-II up to 4.3.20/4.4.17/4.5.12/4.6.7/4.7.2 and classified as problematic. The affected element is an unknown function. The manipulation results in buffer overflow. This vulnerability is reported as CVE-2026-92870. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Pgpool Global Development Group Pgpool-II up to 4.3.20/4.4.17/4.5.12/4.6.7/4.7.2. Affected is an unknown code. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on availability. CVE summarizes:

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

The advisory is shared for download at pgpool.net. This vulnerability is traded as CVE-2026-92870 since 09/17/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/30/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-89660). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Pgpool Global Development Group

Name

• Pgpool-II

Version

• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.3.5
• 4.3.6
• 4.3.7
• 4.3.8
• 4.3.9
• 4.3.10
• 4.3.11
• 4.3.12
• 4.3.13
• 4.3.14
• 4.3.15
• 4.3.16
• 4.3.17
• 4.3.18
• 4.3.19
• 4.3.20
• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5
• 4.4.6
• 4.4.7
• 4.4.8
• 4.4.9
• 4.4.10
• 4.4.11
• 4.4.12
• 4.4.13
• 4.4.14
• 4.4.15
• 4.4.16
• 4.4.17
• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3
• 4.5.4
• 4.5.5
• 4.5.6
• 4.5.7
• 4.5.8
• 4.5.9
• 4.5.10
• 4.5.11
• 4.5.12
• 4.6.0
• 4.6.1
• 4.6.2
• 4.6.3
• 4.6.4
• 4.6.5
• 4.6.6
• 4.6.7
• 4.7.0
• 4.7.1
• 4.7.2

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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