CVE-2026-76663
7.5HighPublished 15 Oct 2026 · NVD status: Awaiting Analysis · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Impact
- High impact on availability
- Weakness
- CWE-121
Impact
Remote, unauthenticated attackers can crash TELSERV and cause a denial of service. They only need network access to the TELSERV port.
Root cause
A stack-based buffer overflow leads to memory corruption during input processing.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Fix & remediation
Upgrade to the patched version referenced in HPE advisory hpesbns05148en_us, or restrict network access to TELSERV ports using firewalls until patched.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
A stack-based buffer overflow vulnerability in HPE NonStop TELSERV can cause memory corruption that may result in DoS.