CVE-2025-12771

IBM Concert Software Improper Restriction of Operations within the Bounds of a Memory Buffer.

Published Dec 26, 2025 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.

Remediation

Vendor Solution

Remediation/Fixes IBM strongly recommends addressing the vulnerabilities now by upgrading to IBM Concert Software 2.2.0 Download IBM Concert Software 2.2.0 from Container software library section of IBM Entitled Registry ( ICR ) and follow installation instructions depending on the type of deployment.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.
Title IBM Concert Software Improper Restriction of Operations within the Bounds of a Memory Buffer.
First Time appeared Ibm
Ibm concert
Weaknesses CWE-119
CPEs cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:concert:2.1.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm concert
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Feb 26, 2026, 4:07 PM
Reserved
Nov 5, 2025, 7:54 PM
Status
Analyzed
Published
Dec 26, 2025, 1:15 PM
Modified
Oct 7, 2026, 1:10 PM