CVE-2026-56455: CWE-121: Stack-based Buffer Overflow in HCL Software DFXAnalytics
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.
AI Analysis
Technical Summary
CVE-2026-56455 is a stack-based buffer overflow vulnerability in HCL Software's DFXAnalytics product. The vulnerability arises from improper input size validation, enabling an attacker to supply excessive data that overflows a memory buffer on the stack. This overflow can lead to a denial of service condition by crashing the application or rendering it unresponsive. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity level. There is no information on affected versions or available patches, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) due to application crash or unresponsiveness. There is no indication of confidentiality or integrity impact. The vulnerability does not require privileges or user interaction and can be exploited remotely over the network.
Mitigation Recommendations
No official patch or remediation is currently documented. Mitigation requires implementing comprehensive input length checks on both client and server sides to prevent buffer overflow conditions. Monitor vendor advisories for updates regarding official fixes or patches.
CVE-2026-56455: CWE-121: Stack-based Buffer Overflow in HCL Software DFXAnalytics
Description
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.
CVSS v3.1
Score 5.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-56455 is a stack-based buffer overflow vulnerability in HCL Software's DFXAnalytics product. The vulnerability arises from improper input size validation, enabling an attacker to supply excessive data that overflows a memory buffer on the stack. This overflow can lead to a denial of service condition by crashing the application or rendering it unresponsive. The vulnerability has a CVSS 3.1 base score of 5.3, indicating a medium severity level. There is no information on affected versions or available patches, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) due to application crash or unresponsiveness. There is no indication of confidentiality or integrity impact. The vulnerability does not require privileges or user interaction and can be exploited remotely over the network.
Mitigation Recommendations
No official patch or remediation is currently documented. Mitigation requires implementing comprehensive input length checks on both client and server sides to prevent buffer overflow conditions. Monitor vendor advisories for updates regarding official fixes or patches.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- HCL
- Date Reserved
- 2026-06-22T13:38:32.649Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a58da1068715ace431461d4
Added to database: 07/16/2026, 13:18:08 UTC
Last enriched: 07/16/2026, 13:32:28 UTC
Last updated: 07/16/2026, 20:12:25 UTC
Views: 10
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