Vulnerability · Published Sep 25, 2026 · Assigned by VulnCheck
CVE-2026-100387pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserialization
High 8.1
In plain English
A high-severity out-of-bounds read in pointcloud from pgpointcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 74.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| pgpointcloud | pointcloud | 0 – through 1.2.5 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
References
- GitHub Issue #387 issue-tracking
- https://github.com/pgpointcloud/pointcloud/pull/388 issue-tracking, patch
- https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373 technical-description
- https://github.com/pgpointcloud/pointcloud product
- VulnCheck Advisory: pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserialization third-party-advisory