CVE-2026-100387
pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserialization
- State
- Published
- Severity
- 7.2 High
- Published
- Sep 25, 2026
- Updated
- Sep 30, 2026
- Reserved
- Sep 25, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.2 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
pointcloudpgpointcloud |
|
References
- GitHub Issue #387issue-tracking
- https://github.com/pgpointcloud/pointcloud/pull/388issue-trackingpatch
- https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373technical-description
- https://github.com/pgpointcloud/pointcloudproduct
- VulnCheck Advisory: pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserializationthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.