CVE-2026-100387: Pgpointcloud Pointcloud

High severity, CVSS 8.1. EPSS: 0.3% chance of exploitation in the next 30 days.

pgPointcloud through 1.2.5 contains a heap out-of-bounds read vulnerability in dimensional patch WKB deserialization that allows authenticated database users to read adjacent heap memory. Attackers can supply crafted pcpatch values with attacker-controlled size fields to copy heap memory into stored patches for exfiltration or crash the PostgreSQL backend.

Affected products

• Pgpointcloud Pointcloud: up to and including 1.2.5

Published 2026-09-25. Last modified 2026-09-30.