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PostgreSQL Buffer Over-read Vulnerability - CVE-2026-18024 - Vulnerability Database
PostgreSQL

PostgreSQL Buffer Over-read Vulnerability - CVE-2026-18024

Medium
Reference: CVE-2026-18024
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-18024
Title: PostgreSQL Buffer Over-read Vulnerability
Overview:

Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end of a specific allocation via a crafted text value. This is the same class of defect that CVE-2026-2006 fixed though this instance has less impact. Versions before PostgreSQL 18.5 17.11 16.15 15.19 and 14.24 are affected.