CVE-2025-36097 IBM WebSphere Application Server denial of service

High 7.5 Published Updated

Attackers can cause denial of service in IBM WebSphere Application Server by sending crafted requests that trigger a stack-based overflow and excessive memory consumption.

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-2025-36097?

CVE-2025-36097 is a high-severity denial of service vulnerability in Ibm Websphere Application Server, published on 16 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM WebSphere Application Server 9.0 and WebSphere Application Server Liberty 17.0.0.3 through 25.0.0.7 are vulnerable to a denial of service, caused by a stack-based overflow. An attacker can send a specially crafted request that cause the server to consume excessive memory resources.

Weakness: CWE-121

Which versions are affected by CVE-2025-36097?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2025-36097?

No fix has been published for CVE-2025-36097 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-2025-36097 being exploited?

There is no known exploitation of CVE-2025-36097 in the wild and no public exploit code.

All Ibm Websphere Application Server vulnerabilities

Sources

Also known as GHSA-84r7-8mcv-2hg5.

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