CVE-2026-79831 - Vulnerability Details - OpenCVE

Description

A heap buffer overflow in HPE NonStop Posix User Threads may allow arbitrary code execution.

Published: 2026-10-15

Score: 6.6 Medium

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Hewlett Packard Enterprise

HPE NonStop Posix User Threads

affected

Version	Status	Constraints
`T1280L02^ACG and earlier`	affected	—

No data.

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbns05148en_us&docLocale=en_US

History

Thu, 15 Oct 2026 14:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 15 Oct 2026 13:30:00 +0000

Type	Values Removed	Values Added
Description		A heap buffer overflow in HPE NonStop Posix User Threads may allow arbitrary code execution.
Title		HPE NonStop Posix User Threads - Heap buffer overflow vulnerability
Weaknesses		CWE-122
References		https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbns05148en_us&docLocale=en_US
Metrics		cvssV3_1 `{'score': 6.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: hpe

Published: 2026-10-15T10:40:13.992Z

Updated: 2026-10-15T13:16:58.578Z

Reserved: 2026-08-25T14:47:01.940Z

Link: CVE-2026-79831

Vulnrichment

Updated: 2026-10-15T13:16:55.600Z

NVD

Status : Awaiting Analysis

Published: 2026-10-15T11:17:50.200

Modified: 2026-10-15T16:23:06.250

Link: CVE-2026-79831

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-122

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