PT-2026-26292

CVE-2026-4427

Published

2026-01-01

Updated

2026-10-30

Description by

CVSS 3.1

7.5

High

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions pgproto3 (affected versions not specified)

Description A flaw exists in pgproto3 where a malicious or compromised PostgreSQL server can send a DataRow message containing a negative field length. This input validation issue can cause a denial of service (DoS) due to a slice bounds out of range panic.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Impacts

Researchers

Athuljayaram

Vendors

Affected products

Weakness enumeration

CWE-129: Improper Validation of Array Index

Related identifiers

CVE-2026-4427

GHSA-X6GF-MPR2-68H6

CLEANSTART-2026-CZ08803