Vulnerability · Published Mar 25, 2026 · Assigned by ibm

CVE-2025-64646Multiple Vulnerabilities in IBM Concert Software

Medium 6.2

In plain English

A medium-severity security flaw in Concert from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)6.2Medium

Exploit odds (30 days)0.2%top 92.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

IBM Concert 1.0.0 through 2.2.0 could allow an attacker to access sensitive information in memory due to the buffer not properly clearing resources.

Affected products (as reported)

Vendor	Product	Versions
IBM	Concert	1.0.0 – through 2.2.0

Weakness: CWE-14 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://www.ibm.com/support/pages/node/7267105 vendor-advisory, patch