IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the…
Priority MEDIUM 44CWE-335Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could result in duplicate Session IDs and a risk of duplicate key material. IBM X-Force ID: 139071.
Why it matters now
EPSS 0.02413 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | DB2 for Linux, UNIX and Windows | 10.5; 10.1; 9.7; 11.1 | — | No fix listed | CNA |
- DB2 for Linux, UNIX and Windows VendorIBM Affected 10.5; 10.1; 9.7; 11.1 Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:db2:9.7:*:*:*:*:*:*:* | 9.7 | Vulnerable | IBM |
| cpe:2.3:a:ibm:db2:10.1:*:*:*:*:*:*:* | 10.1 | Vulnerable | IBM |
| cpe:2.3:a:ibm:db2:10.5:*:*:*:*:*:*:* | 10.5 | Vulnerable | IBM |
| cpe:2.3:a:ibm:db2:11.1:*:*:*:*:*:*:* | 11.1 | Vulnerable | IBM |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | all versions | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:ibm:db2:9.7:*:*:*:*:*:*:* Versions 9.7 Vulnerable ·IBM
- cpe:2.3:a:ibm:db2:10.1:*:*:*:*:*:*:* Versions 10.1 Vulnerable ·IBM
- cpe:2.3:a:ibm:db2:10.5:*:*:*:*:*:*:* Versions 10.5 Vulnerable ·IBM
- cpe:2.3:a:ibm:db2:11.1:*:*:*:*:*:*:* Versions 11.1 Vulnerable ·IBM
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions all versions Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1426
- 2026-10-03 Alias added: GHSA-x5r5-q987-6xf6
References
More IBM Db2 vulnerabilities
- TI-2007-02494 Multiple buffer overflows in the DB2 JDBC Applet Server (DB2JDS) service in IBM DB2 9.x… CVSS 2.0HIGH 10.0
- TI-2010-03546 Stack-based buffer overflow in the validateUser implementation in the… CVSS 2.0HIGH 10.0
- TI-2026-08862 IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling CVSS 3.1CRITICAL 9.8
- TI-2007-03566 IBM DB2 Universal Database (UDB) Administration Server (DAS) 8 before Fix Pack 16 and 9… CVSS 2.0HIGH 10.0
- TI-2008-06509 Buffer overflow in the DAS server in IBM DB2 8 before FP17, 9.1 before FP5, and 9.5… CVSS 2.0HIGH 10.0
- TI-2026-09068 IBM® Db2® is vulnerable to privilege escalation with a specially crafted query CVSS 3.1CRITICAL 9.8
Sources
- CVE-2018-1426 · CVE Program
- CVE-2018-1426 · NVD
- FIRST EPSS
- GHSA-x5r5-q987-6xf6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences