{"id":"CVE-2026-100387","title":"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","summary":"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 …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-125"],"vendor":"pgpointcloud","product":"pointcloud","affected":["pointcloud <= 1.2.5"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T21:17:22.163","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100387","references":[{"url":"https://github.com/pgpointcloud/pointcloud","label":"disclosure@vulncheck.com"},{"url":"https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373","label":"disclosure@vulncheck.com"},{"url":"https://github.com/pgpointcloud/pointcloud/issues/387","label":"disclosure@vulncheck.com"},{"url":"https://github.com/pgpointcloud/pointcloud/pull/388","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-bounds-read-via-wkb-deserialization","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T21:19:40.141Z","slug":"CVE-2026-100387","body":"## Overview\n\npgPointcloud 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}