Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/pgpointcloud/pointcloud
- https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L137
- https://github.com/pgpointcloud/pointcloud/issues/387
- https://github.com/pgpointcloud/pointcloud/pull/388
- https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-boun
FAQ
What is CVE-2026-100387?
CVE-2026-100387 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 ca...
How severe is CVE-2026-100387?
CVE-2026-100387 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-100387?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.