CVE-2026-100387CWE-125

CVE-2026-100387

High · published September 26, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
24.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
7.2 · 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
EPSS
0.00323 · 24.2th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-26T01:17Z
References (5)
https://github.com/pgpointcloud/pointcloud · [email protected]https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373 · [email protected]https://github.com/pgpointcloud/pointcloud/issues/387 · [email protected]https://github.com/pgpointcloud/pointcloud/pull/388 · [email protected]https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-bounds-read-via-wkb-deserialization · [email protected]
EPSS history
Timeline
  • 27 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 25 SEP 20:13Z
    pgPointcloud through 1.2.5 heap out-of-bounds read via WKB deserialization
    cvelistv5