CVE-2026-18024
Medium · 4.3CVSS
4.3
EPSS
0.2%
Published
Aug 13, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-112404 Pillow is a Python imaging library. CWE-126
- CVE-2026-112394 Pillow is a Python imaging library. CWE-126
- CVE-2026-85745 MariaDB server is a community developed fork of MySQL server. CWE-126
- CVE-2026-97399 The strncasecmp function in the GNU C Library 2.24 and later optimized for the Power8… CWE-126
- CVE-2026-94286 An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be… CWE-126
- CVE-2026-76653 A missing authentication vulnerability in the VPN configuration management has been… CWE-126
- CVE-2026-83949 Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose… CWE-126
- CVE-2026-83951 Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose… CWE-126