Heap Buffer Overflow Vulnerability in IBM MQ

CVE-2026-10574

What is CVE-2026-10574?

IBM MQ contains a vulnerability that could be exploited by an authenticated attacker to cause a denial of service or potentially execute arbitrary code. This occurs when processing certain operations, such as MQPUT or MQPUT1, with improperly formatted message handle properties, leading to a heap buffer overflow. Organizations using IBM MQ should review their systems for the affected versions and apply recommended patches to mitigate potential risks. More details can be found in the vendor advisory.

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