IBM Db2 denial of service
Priority LOW 35CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
IBM Db2 for Linux, UNIX, and Windows (includes Db2 Connect Server) 11.5 is vulnerable to a denial of service with a specially crafted SQL statement. IBM X-Force ID: 262613.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00938 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | Db2 for Linux, UNIX and Windows | 11.5 | — | No fix listed | CNA |
- Db2 for Linux, UNIX and Windows VendorIBM Affected 11.5 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:* | 11.5 – 11.5.8 | Vulnerable | IBM |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:opengroup:unix:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Opengroup |
- cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:* Versions 11.5 – 11.5.8 Vulnerable ·IBM
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:opengroup:unix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Opengroup
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
IBM Db2 for Linux, UNIX and Windows — ibm.com/support/pages/node/7047489
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2023-20070 IBM Db2 denial of servicePriority LOW 35
- TI-2023-20064 IBM Db2 denial of servicePriority LOW 35
Timeline
- 2026-10-02 Threatist record created from CVE-2023-38740
- 2026-10-03 Alias added: GHSA-99vx-9c28-97p2
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-2023-38740 · CVE Program
- CVE-2023-38740 · NVD
- FIRST EPSS
- GHSA-99vx-9c28-97p2 · 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