CVE-2026-10534

CRITICAL CVSS 3.1: 9.8 EPSS 0.22%
Updated Aug 17, 2026
IBM
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions 11.5 — 12.1.5
Type CWE-121 (Stack-based Buffer Overflow)
Vendor IBM
Public PoC No

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to buffer overflow in the IXF IMPORT parser.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Ibm Db2
cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*
11.5 <= 11.5.9
Ibm Db2
cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*
12.1.0 <= 12.1.5