IBM Informix Server Vulnerability in SQL Interface Handler Could Allow Remote Code Execution
Summary
| CVE | CVE-2026-13361 |
|---|---|
| State | PUBLISHED |
| Assigner | ibm |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-12 20:17:34 UTC |
| Updated | 2026-10-23 19:10:00 UTC |
| Description | IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field. |
Risk And Classification
Primary CVSS: v3.1 8.8 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.002660000 probability, percentile 0.187270000 (date 2026-08-14)
Problem Types: CWE-121 | CWE-121 CWE-121 Stack-based Buffer Overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.8 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Ibm | Informix Dynamic Server | All | All | All | All |
| Application | Ibm | Informix Dynamic Server | 12.10 | All | All | All |
| Application | Ibm | Informix Dynamic Server | 14.10 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | IBM | Informix Dynamic Server | affected 14.10 | Not specified |
| CNA | IBM | Informix Dynamic Server | affected 12.10.x | Not specified |
| CNA | IBM | Informix Dynamic Server | affected 15.0 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ibm.com/support/pages/node/7283143 | [email protected] | www.ibm.com | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: The issue has been fixed in IBM Informix versions 14.10.xC13W13 and 15.0.1.14. Fixes are available on IBM Fix Central - Select Fixes - Informix Server. Follow the instructions for Database server upgrades in the Informix Servers documentation.
There are currently no legacy QID mappings associated with this CVE.