CVE-2026-100387
pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserialization
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | pgpointcloud |
| Product | pointcloud |
| Published | Sep 25, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High
Affected Versions
pgpointcloud / pointcloud
0 ≤ 1.2.5
References
github.com: https://github.com/pgpointcloud/pointcloud/issues/387 github.com: https://github.com/pgpointcloud/pointcloud/pull/388 github.com: https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373 github.com: https://github.com/pgpointcloud/pointcloud vulncheck.com: https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-bounds-read-via-wkb-deserialization
Credits
Harsh Raj Singhania