Vulnerability · Published Aug 12, 2026 · Assigned by ibm

CVE-2026-10534IBM® Db2® is vulnerable to buffer overflow in the IXF IMPORT parser

High 8.4

In plain English

A high-severity stack buffer overflow in Db2 from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.4%top 68.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
IBM Db2 11.5.0 – through 11.5.912.1.0 – through 12.1.5

Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References