CVE-2023-28526: IBM Informix Dynamic Server buffer overflow

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-09 · updated 2026-06-17
Weakness: CWE-122

Description

IBM Informix Dynamic Server 12.10 and 14.10 archecker is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow a local user to cause a segmentation fault. IBM X-Force ID: 251204.

Affected products

IBM Informix Dynamic Server: 12.10, 14.10
IBM Informix Dynamic Server On Cloud Pak For Data: all versions

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/251204
https://www.ibm.com/support/pages/node/7070188
https://exchange.xforce.ibmcloud.com/vulnerabilities/251204
https://www.ibm.com/support/pages/node/7070188

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