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.

Other sources

IBM Concert Software 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.

— IBM

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

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

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.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203