CVE-2025-12771: IBM Concert Software Improper Restriction of Operations within the Bounds of a Memory Buffer.
Published Dec 22, 2025
·Updated
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.
Affected Software
2 affected components
IBM Concert Software<=1.0.0-2.1.0
IBM Concert>=1.0.0<2.2.0
Remediation
Information
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.
Event History
Dec 22, 2025
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Dec 26, 2025
CVE Published
via MITRE·01:01 PM
Data Sourced
via MITRE·01:01 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-12771?
CVE-2025-12771 is classified as a high severity vulnerability due to the potential for arbitrary code execution.
2
How do I fix CVE-2025-12771?
To fix CVE-2025-12771, update IBM Concert Software to the latest version that addresses the buffer overflow issue.
3
Who is affected by CVE-2025-12771?
CVE-2025-12771 affects local users of IBM Concert Software versions up to 2.1.0.
4
Can CVE-2025-12771 be exploited remotely?
CVE-2025-12771 is not capable of being exploited remotely; it requires local access to the vulnerable system.
5
What type of vulnerability is CVE-2025-12771?
CVE-2025-12771 is a stack-based buffer overflow vulnerability caused by improper bounds checking.