{"id":"CVE-2026-100387","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-100387","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.…","details":"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.","published":"2026-09-25T21:17:22.163","modified":"2026-09-25T21:17:22.163","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/pgpointcloud/pointcloud/pull/388","label":"pgpointcloud/pointcloud#388"},"references":[{"type":"WEB","url":"https://github.com/pgpointcloud/pointcloud"},{"type":"WEB","url":"https://github.com/pgpointcloud/pointcloud/blob/v1.2.5/lib/pc_bytes.c#L1347-L1373"},{"type":"WEB","url":"https://github.com/pgpointcloud/pointcloud/issues/387"},{"type":"WEB","url":"https://github.com/pgpointcloud/pointcloud/pull/388"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/pgpointcloud-through-1.2.5-heap-out-of-bounds-read-via-wkb-deserialization"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-25T21:17:22.163"}}