CVE-2025-36097

IBM WebSphere Application Server denial of service

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.

Remediation

Solution:

  • For IBM WebSphere Application Server Liberty 17.0.0.3 - 25.0.0.7 using the jsonp-1.0, jsonp-1.1, or jsonp-2.0 feature: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH67183 --OR-- · Apply Fix Pack 25.0.0.8 or later (targeted availability 3Q2025). For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.24: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH67120 --OR-- · Apply Fix Pack 9.0.5.25 or later (targeted availability 3Q2025). Additional interim fixes may be available and linked off the interim fix download page.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory ibm.com
Affected: IBM WebSphere Application Server
Affected: IBM WebSphere Application Server Liberty
Published at:
Updated at:

References

Link Tags
https://www.ibm.com/support/pages/node/7239856 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-36097?
CVE-2025-36097 has been scored as a high severity vulnerability.
How to fix CVE-2025-36097?
To fix CVE-2025-36097: For IBM WebSphere Application Server Liberty 17.0.0.3 - 25.0.0.7 using the jsonp-1.0, jsonp-1.1, or jsonp-2.0 feature: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH67183 --OR-- · Apply Fix Pack 25.0.0.8 or later (targeted availability 3Q2025). For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.24: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH67120 --OR-- · Apply Fix Pack 9.0.5.25 or later (targeted availability 3Q2025). Additional interim fixes may be available and linked off the interim fix download page.
Is CVE-2025-36097 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-36097 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-36097?
CVE-2025-36097 affects IBM WebSphere Application Server, IBM WebSphere Application Server Liberty.
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