CVE-2026-56455: HCL DFXAnalytics is affected by a Buffer Overflow vulnerability that can lead to a Denial of Service (DoS).
HCL DFXAnalytics is affected by a Buffer Overflow vulnerability that can lead to a Denial of Service (DoS). The application fails to properly validate input sizes, allowing an attacker to pass an excessive amount of information into a memory container, which can cause the system to crash or become unresponsive. To mitigate this flaw, comprehensive input length checks must be implemented and enforced on both the client and server sides.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Configuration
Update the client to validate input sizes before sending data to the server; reject requests where the provided input exceeds the defined maximum lengths.
HCL DFXAnalytics (client side) Input length validation = Implement comprehensive input length checks and enforce maximum allowed sizes - Configuration
Update the server to validate input sizes on receipt; reject requests where the provided input exceeds the defined maximum lengths to prevent oversized data from being written to memory containers.
HCL DFXAnalytics (server side) Input length validation = Implement comprehensive input length checks and enforce maximum allowed sizes
Event History
Frequently Asked Questions
What is the severity of CVE-2026-56455?
The severity of CVE-2026-56455 is classified as medium with a score of 5.3.
What type of vulnerability is CVE-2026-56455?
CVE-2026-56455 is identified as a Buffer Overflow vulnerability.
What impact can CVE-2026-56455 have on HCL DFXAnalytics?
CVE-2026-56455 can lead to a Denial of Service (DoS) affecting HCL DFXAnalytics.
How can I mitigate the risk of CVE-2026-56455?
Mitigation strategies for CVE-2026-56455 involve updating HCL DFXAnalytics to the latest version that addresses the buffer overflow issue.
What causes the vulnerability in CVE-2026-56455?
The vulnerability in CVE-2026-56455 is caused by the application failing to properly validate input sizes.