Read the docs
TI-2023-14289 Aliases CVE-2023-30448GHSA-5p42-mr7p-8fjp

IBM Db2 denial of service

Priority LOW 36CWE-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) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially crafted query on certain tables. IBM X-Force ID: 253437.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01354 71st 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

VendorProductAffected versionsFixed inStatusSource
IBMDB2 for Linux, UNIX and Windows10.5, 11.1, 11.5—No fix listedCNA
  • DB2 for Linux, UNIX and Windows VendorIBM Affected 10.5, 11.1, 11.5 Fixed in — No fix listed CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:ibm:db2:10.5.0.11:*:*:*:*:*:*:*10.5.0.11VulnerableIBM
cpe:2.3:a:ibm:db2:11.1.4.7:*:*:*:*:*:*:*11.1.4.7VulnerableIBM
cpe:2.3:a:ibm:db2:11.5:*:*:*:*:-:*:*11.5VulnerableIBM
cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:*not specified by NVDRunning onHewlett Packard Enterprise
cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*not specified by NVDRunning onIBM
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:*not specified by NVDRunning onOracle
  • cpe:2.3:a:ibm:db2:10.5.0.11:*:*:*:*:*:*:* Versions 10.5.0.11 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:11.1.4.7:*:*:*:*:*:*:* Versions 11.1.4.7 Vulnerable ·IBM
  • cpe:2.3:a:ibm:db2:11.5:*:*:*:*:-:*:* Versions 11.5 Vulnerable ·IBM
  • cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise
  • cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·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:oracle:solaris:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Oracle

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/7010557

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    Show all 5 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-30448
  2. 2026-10-03 Alias added: GHSA-5p42-mr7p-8fjp

References

Patch 1

Other 1

  • 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
See all 350 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences