CVE-2025-36097

IBM WebSphere Application Server denial of service

Published Jul 16, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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

Vendor 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.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-21735 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
Type Values Removed Values Added
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.
Title IBM WebSphere Application Server denial of service
First Time appeared Ibm
Ibm websphere Application Server
Weaknesses CWE-121
CPEs cpe:2.3:a:ibm:websphere_application_server:17.0.0.3:*:*:*:liberty:*:*:*
cpe:2.3:a:ibm:websphere_application_server:25.0.0.7:*:*:*:liberty:*:*:*
cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm websphere Application Server
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 18, 2025, 1:34 AM
Reserved
Apr 15, 2025, 9:16 PM
Status
Analyzed
Published
Jul 16, 2025, 6:15 PM
Modified
Jun 17, 2026, 9:14 AM