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

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.

9.8 CRITICALEPSS 0.37%Not in KEVNVD: Analyzed

Last updated: 2026-10-23 19:10 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Aug 12, 2026
Assigner: ibm

Affected

Db2 (IBM)

Versions: 11.5.0 through 11.5.9 · 12.1.0 through 12.1.5

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact total

EPSS · FIRST, scored Nov 8

0.37%chance of exploitation in 30 days

Higher than 31.81% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · ibm (CNA)

8.4High

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4	HIGH	3.1ibm (CNA)	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CVE ID: CVE-2026-10534
Status: Analyzed
Assigner (CNA): ibm
Published: Aug 12, 2026
Last modified: 2026-10-23 19:10 UTC
Weaknesses: CWE-121 · Stack-based Buffer Overflow

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 12:25 UTC.