CVE-2023-28523 HIGH

CVE-2023-28523: IBM Informix Dynamic Server buffer overflow

Vendor Ibm
Product Informix Dynamic Server
Weakness CWE-122
Published December 9, 2023
Last update May 27, 2025

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

IBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code. IBM X-Force ID: 250753.

Key dates

02Disclosure timeline

December 9, 2023 CVE published
May 27, 2025 Record updated