Stack-Based Buffer Overflow Vulnerability in IBM Concert Product
CVE-2025-12771

7.8HIGH

Key Information:

Vendor

IBM
Status
Concert
Vendor
CVE Published:
26 December 2025

What is CVE-2025-12771?

IBM Concert versions 1.0.0 through 2.1.0 are affected by a stack-based buffer overflow vulnerability due to improper bounds checking. This flaw allows local users to exploit the vulnerability by overflowing the buffer, potentially leading to the execution of arbitrary code within the system. Immediate patching and remediation are recommended to mitigate the security risk associated with this vulnerability.

Affected Version(s)

Concert 1.0.0 <= 2.1.0

References

https://www.ibm.com/support/pages/node/7255549
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-12771 : Stack-Based Buffer Overflow Vulnerability in IBM Concert Product