CVE-2025-36128 IBM MQ denial of service
Remote attackers can cause denial of service in IBM MQ via slowloris attacks due to improper timeout enforcement on read operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-36128?
CVE-2025-36128 is a high-severity denial of service vulnerability in Ibm Mq, published on 16 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM MQ 9.1, 9.2, 9.3, 9.4 LTS and 9.3, 9.4 CD is vulnerable to a denial of service, caused by improper enforcement of the timeout on individual read operations. By conducting slowloris-type attacks, a remote attacker could exploit this vulnerability to cause a denial of service.
Weakness: CWE-772
Which versions are affected by CVE-2025-36128?
It affects 1 product.
Products include Ibm Mq.
How do I fix CVE-2025-36128?
No fix has been published for CVE-2025-36128 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-36128 being exploited?
There is no known exploitation of CVE-2025-36128 in the wild and no public exploit code.
Other vulnerabilities in Ibm Mq
- CVE-2026-10575 IBM MQ queue manager is vulnerable to remote code execution
- CVE-2026-11375 IBM MQ queue manager is vulnerable to remote code execution
- CVE-2026-11378 IBM MQ queue manager is vulnerable to remote code execution
- CVE-2022-22489 XML external entity in MQ
- CVE-2026-10027 IBM MQ queue manager is vulnerable to unauthenticated remote code execution
Sources
Also known as GHSA-w8pv-jfx7-7gp6.