CVE-2024-56468 IBM InfoSphere Data Replication VSAM for z/OS Remote Source denial of service
A remote attacker can cause a denial of service in IBM InfoSphere Data Replication by sending an invalid HTTP request to the log reading service.
- 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-2024-56468?
CVE-2024-56468 is a high-severity denial of service vulnerability in IBM InfoSphere Data Replication VSAM for z/OS Remote Source, published on 8 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM InfoSphere Data Replication VSAM for z/OS Remote Source 11.4 could allow a remote user to cause a denial of service by sending an invalid HTTP request to the log reading service.
Weakness: CWE-121
Which versions are affected by CVE-2024-56468?
It affects 1 product.
Products include Ibm Infosphere Data Replication.
How do I fix CVE-2024-56468?
No fix has been published for CVE-2024-56468 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-2024-56468 being exploited?
There is no known exploitation of CVE-2024-56468 in the wild and no public exploit code.
Sources
Also known as GHSA-3j2r-4m5c-xw29.