Pgpool Global Development Group Pgpool-II up to 4.7.2 out-of-bounds write

Summaryinfo

A vulnerability classified as very critical has been found in Pgpool Global Development Group Pgpool-II up to 4.7.2. Affected by this issue is some unknown functionality. This manipulation causes out-of-bounds write. This vulnerability is tracked as CVE-2026-92867. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Pgpool Global Development Group Pgpool-II up to 4.7.2 and classified as very critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An out-of-bounds write vulnerability exists in Pgpool-II , which may allow an authenticated attacker to cause abnormal process termination or arbitrary code execution.

It is possible to read the advisory at pgpool.net. This vulnerability is known as CVE-2026-92867 since 09/17/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (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-2026-89657). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Pgpool Global Development Group

Name

• Pgpool-II

Version

• 4.0
• 4.1
• 4.2
• 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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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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