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Vulnerability record · CVE-2025-12771 · published 26 December 2025

CVE-2025-12771: Ibm concert memory buffer overflow vulnerability

Ibm · Concert

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.

7.8 CVSS 3.1 High EPSS 0.16% · top 95.1% CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7255549 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-33089Ibm concert hard-coded credentials vulnerabilityIBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information or perform unauthorized actions due to the use of hard …EPSS 0.23%9.8CVE-2025-27909Ibm concert vulnerabilityIBM Concert Software 1.0.0 through 1.1.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as t…EPSS 0.21%9.8CVE-2024-52360Ibm concert sql injection vulnerabilityIBM Concert Software 1.0.0, 1.0.1, 1.0.2, and 1.0.2.1 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, …EPSS 0.45%9.8CVE-2024-43177Ibm concert improper certificate validation vulnerabilityIBM Concert 1.0.0 and 1.0.1 vulnerable to attacks that rely on the use of cookies without the SameSite attribute.EPSS 0.32%9.1CVE-2026-3627Ibm concert sql injection vulnerabilityIBM Concert 1.0.0 through 2.3.1 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the …EPSS 0.51%8.8CVE-2025-33015Ibm concert unrestricted file upload vulnerabilityIBM Concert 1.0.0 through 2.1.0 is vulnerable to malicious file upload by not validating the content of the file uploaded to the web interface.EPSS 0.30%8.8CVE-2024-52359Ibm concert vulnerabilityIBM Concert Software 1.0.0, 1.0.1, 1.0.2, and 1.0.2.1 could allow an authenticated user to perform unauthorized actions that should be reserved to ad…EPSS 0.31%7.5CVE-2025-64647Ibm concert vulnerabilityIBM Concert 1.0.0 through 2.2.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive informati…EPSS 0.20%

Source: NIST National Vulnerability Database (record CVE-2025-12771), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.