CVE-2026-76663
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Stack-Based Buffer Overflow in HPE NonStop TELSERV

Publication date: 2026-10-15

Last updated on: 2026-10-15

Assigner: Hewlett Packard Enterprise (HPE)

Description
A stack-based buffer overflow vulnerability in HPE NonStop TELSERV can cause memory corruption that may result in DoS.

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Meta Information

Published
2026-10-15
Last Modified
2026-10-15
Generated
2026-10-19
AI Q&A
2026-10-15
EPSS Evaluated
2026-10-18
NVD
CVE-2026-76663
EUVD
EUVD-2026-101815

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Hewlett Packard Enterprise HPE NonStop TELSERV T9553L01^BAJ and earlier

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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Executive Summary

This is a stack-based buffer overflow vulnerability in HPE NonStop TELSERV. It occurs when the application writes more data to a stack buffer than it can hold, causing memory corruption. This may lead to a denial of service (DoS) by crashing the system or making it unavailable.

Impact Analysis

The vulnerability could allow an attacker to cause a DoS, disrupting services and making systems unavailable. Since it is remotely exploitable (CVSS AV:N), attackers may trigger it without direct access to the system.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with GDPR, HIPAA, or other standards. The vulnerability is a stack-based buffer overflow causing DoS, which may indirectly affect compliance by disrupting services handling sensitive data.

Mitigation Strategies

Apply the latest security patches or updates provided by HPE for TELSERV to address the stack-based buffer overflow vulnerability. Monitor HPE's security advisories for updates and restrict network access to TELSERV if possible.

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