What’s Vulnerable › Vulnerabilities

CVE-2026-100387: pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserialization

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-25 · updated 2026-09-30
• Weakness: CWE-125

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

• pgpointcloud pointcloud: through 1.2.5

References

• 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/issues/387
• 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

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