What is CVE-2026-13361?

CVE-2026-13361 is a high-severity vulnerability in Ibm Informix Dynamic Server, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-08-12.

How severe is CVE-2026-13361?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Ibm Informix Dynamic Server

CVE-2026-13361

IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Informix Dynamic Server — versions 14.10, 12.10.x, 15.0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-13361?: CVE-2026-13361 is a high-severity vulnerability in Ibm Informix Dynamic Server, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-08-12.
How severe is CVE-2026-13361?: High severity. CVSS v3 base score is 8.8 out of 10.