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

7.5HIGH

Key Information:

Vendor

HP
Status
HP Nonstop Telserv
Vendor
CVE Published:
15 October 2026

What is CVE-2026-76663?

The vulnerability in HPE NonStop TELSERV manifests as a stack-based buffer overflow, which can lead to memory corruption. This condition may result in Denial of Service (DoS) attacks, impacting system availability and reliability. It is crucial for users of the affected versions to implement recommended security measures to mitigate risks associated with this vulnerability.

Affected Version(s)

HPE NonStop TELSERV T9553L01^BAJ and earlier

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpe...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.