Vulnerabilities CVE-2026-14668

CVE-2026-14668

High

Open

TLP:CLEAR

PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read

NVD CVE.org

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Description

Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input. While the calculation loses precision, substantial memory value recovery appears possible. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.

Details

CVSS Score: 8.1
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Confidence: 90%
Published: Aug 13, 2026
Last Modified: Aug 13, 2026

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