VULNERABILITY INTELLIGENCE

CVE-2026-18024

CVSS score4.3 MEDIUM
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-08-13
Last modified2026-08-29
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Description

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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Weakness classification

  • f86ef6dc-4d3a-42ad-8f28-e6d5547a5007: CWE-126

Primary references