Denial of Service Vulnerability in IBM Concert Software
CVE-2025-12767

5.3MEDIUM

Key Information:

Vendor

IBM
Status
Concert
Vendor
CVE Published:
22 September 2026

What is CVE-2025-12767?

A flaw in IBM Concert versions 1.0.0 to 3.0.0 allows remote attackers to exploit a specially crafted regular expression, causing excessive resource consumption and potentially resulting in a denial of service. This vulnerability poses significant risks to the stability and availability of the affected systems.

Affected Version(s)

Concert 1.0.0 <= 3.0.0

References

https://www.ibm.com/support/pages/node/7288830
vendor-advisorypatch

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.