IBM Concert 1.x-3.x Memory Corruption via Use-After-Free (CVE-2026-6928)
CVE-2026-6928 Published on September 23, 2026

Multiple Vulnerabilities in IBM Concert Software
IBM Concert 1.0.0 through 3.0.0 references or accesses memory after it has been freed. This allows an attacker who can influence program execution or input may exploit this condition to corrupt memory, cause application crashes, or execute arbitrary code.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-6928 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-6928 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2026-6928

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Affected Versions

IBM Concert: