CVE-2026-18024

MediumCVSS 4.3/10Last modified Aug 29, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-126

Affected software

No affected versions have been published.

Timeline

Published
Aug 13, 2026
Last modified
Aug 29, 2026
NVD status
Modified

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