CVE-2025-12818
Published: Nov 13, 2025
Modified: Nov 13, 2025
CVSS v3.1
5.9
Description
Integer wraparound in multiple PostgreSQL libpq client library functions allows an application input provider or network peer to cause libpq to undersize an allocation and write out-of-bounds by hundreds of megabytes. This results in a segmentation fault for the application using libpq. Versions before PostgreSQL 18.1, 17.7, 16.11, 15.15, 14.20, and 13.23 are affected.
| Vendor | Product | Versions |
|---|---|---|
n/a | PostgreSQL | affected 18 - < 18.1affected 17 - < 17.7affected 16 - < 16.11affected 15 - < 15.15affected 14 - < 14.20+1 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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