CVE-2026-9002
IBM WebSphere eXtremes Scale is affected by uncontrolled resource consumption when XDF is enabled
Description
IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 could allow an adjacent attacker to cause a denial of service due to improper validation in the XDF decoder. The application processes deeply nested Protocol Buffers messages and attacker-controlled length prefixes without sufficient bounds checking, which may allow an attacker on the same network to trigger a StackOverflowError or OutOfMemoryError, resulting in a crash of the WebSphere Application Server JVM.
INFO
Published Date :
June 30, 2026, 7:08 p.m.
Last Modified :
June 30, 2026, 7:08 p.m.
Remotely Exploit :
No
Source :
ibm
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 9a959283-ebb5-44b6-b705-dcc2bbced522 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE |
Solution
- Update WebSphere Extreme Scale to a fixed version.
- Validate XDF decoder inputs.
- Implement sufficient bounds checking.
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