---
title: "CVE-2026-100387: pgPointcloud - Out of Bounds Read"
description: "pgPointcloud through 1.2.5 contains a heap out-of-bounds read vulnerability caused by improper dimensional patch WKB deserialization, letting authenticated database users read adjacent heap memory, exploit requires database authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-100387/
---

# CVE-2026-100387 pgPointcloud - Out of Bounds Read

pgPointcloud through 1.2.5 contains a heap out-of-bounds read vulnerability caused by improper dimensional patch WKB deserialization, letting authenticated database users read adjacent heap memory, exploit requires database authentication.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.32% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100387)

## Details

Type

Out of Bounds Read

Impact

Information Disclosure, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Published

25 September 2026

Updated

15 October 2026

Weakness

[CWE-125](https://cwe.mitre.org/data/definitions/125.html)

## Vendor fix

Update to the latest version beyond 1.2.5.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100387](https://nvd.nist.gov/vuln/detail/CVE-2026-100387)
- [https://github.com/pgpointcloud/pointcloud/pull/388](https://github.com/pgpointcloud/pointcloud/pull/388)
- [https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-bounds-read-via-wkb-deserialization](https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-bounds-read-via-wkb-deserialization)
- [https://github.com/pgpointcloud/pointcloud](https://github.com/pgpointcloud/pointcloud)
- [https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc\_bytes.c#L1347-L1373](https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373)
- [https://github.com/pgpointcloud/pointcloud/issues/387](https://github.com/pgpointcloud/pointcloud/issues/387)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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