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TI-2026-71253 Aliases CVE-2026-104364GHSA-mc63-mc2v-x24w

Denial of service in IBM Db2 from improper input validation

Priority LOW 15CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

IBM Db2 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5 fail to validate input properly (CWE-20). A local attacker with low privileges can cause a denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a local attacker to cause a denial of service due to improper input validation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00092 0th 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
IBMDb211.5.0 – 11.5.9; 12.1.0 – 12.1.5—No fix listedCNA
  • Db2 VendorIBM Affected 11.5.0 – 11.5.9; 12.1.0 – 12.1.5 Fixed in — No fix listed CNA

CPE names CNA · 8

CPEVersionsRoleVendor
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:aix:*:*11.5.0—IBM
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:*11.5.9—IBM
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:aix:*:*12.1.0—IBM
cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:aix:*:*12.1.5—IBM
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:linux:*:*11.5.0—IBM
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:linux:*:*11.5.9—IBM
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:linux:*:*12.1.0—IBM
cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:linux:*:*12.1.5—IBM
  • cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:aix:*:* Versions 11.5.0 — ·IBM
  • cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:* Versions 11.5.9 — ·IBM
  • cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:aix:*:* Versions 12.1.0 — ·IBM
  • cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:aix:*:* Versions 12.1.5 — ·IBM
  • cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:linux:*:* Versions 11.5.0 — ·IBM
  • cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:linux:*:* Versions 11.5.9 — ·IBM
  • cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:linux:*:* Versions 12.1.0 — ·IBM
  • cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:linux:*:* Versions 12.1.5 — ·IBM

Remediation

The sources list no fixed version for IBM Db2.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-104364
  2. 2026-10-13 CISA SSVC decision points changed
  3. 2026-10-13 Alias added: GHSA-mc63-mc2v-x24w

References

Patch 1

  • TI-2026-08085 Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-23774 IBM Aspera Faspex code execution KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-03794 Improper authentication in IBM Data Risk Manager KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-03441 Code injection in IBM Planning Analytics KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-06198 Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT… KEVCVSS 3.1CRITICAL 9.8
See all 9711 →

Sources

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