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CVE-2026-79831— HPE NonStop Posix User Threads - Heap buffer overflow vulnerability

Quick assessment

Affected
Hewlett Packard Enterprise HPE NonStop Posix User Threads
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HPE NonStop Posix 用户线程中存在堆缓冲区溢出漏洞，可能导致任意代码执行。

CVSS 6.6 · Medium

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hewlett Packard Enterprise HPE NonStop Posix User Threads T1280L02^ACG and earlier affected
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I. Basic Information for CVE-2026-79831

Vulnerability Information
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Vulnerability Title
HPE NonStop Posix User Threads - Heap buffer overflow vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A heap buffer overflow in HPE NonStop Posix User Threads may allow arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hewlett Packard Enterprise HPE NonStop Posix User Threads T1280L02^ACG and earlier -

II. Public POCs for CVE-2026-79831

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III. Intelligence Information for CVE-2026-79831

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Other References for CVE-2026-79831 (1)

Same Patch Batch · Hewlett Packard Enterprise · 2026-10-15 · 34 CVEs total

CVE-2026-76660 8.7 HIGH HPE NonStop CIPSAM - Memory corruption vulnerability
CVE-2026-79829 8.2 HIGH HPE NonStop HTTP WEBSERVER - Memory corruption vulnerability
CVE-2026-79821 8.2 HIGH HPE NonStop SOAP 4.0 - Memory corruption
CVE-2026-79824 8.0 HIGH HPE NonStop Python 3.x - Directory traversal vulnerability
CVE-2026-79832 7.6 HIGH HPE NonStop SQL/MX Executor - Buffer overflow vulnerability
CVE-2026-76661 7.6 HIGH HPE NonStop QIOMON - Memory corruption vulnerability
CVE-2026-73799 7.5 HIGH HPE NonStop SNMP Trap Multiplexer - Memory Corruption vulnerability
CVE-2026-79833 7.5 HIGH HPE NonStop ANSI SQLUTIL - Denial of Service vulnerability
CVE-2026-76663 7.5 HIGH HPE NonStop TELSERV - Memory corruption vulnerability
CVE-2026-76659 7.5 HIGH HPE NonStop TCP/IP UTILITIES - Denial of Service vulnerability
CVE-2026-79834 7.4 HIGH HPE NonStop SQL/MX SQLCAT - Unauthorized command execution vulnerability
CVE-2026-79840 7.3 HIGH HPE NonStop XABroker - Memory corruption vulnerability
CVE-2026-79837 7.3 HIGH HPE NonStop SQL/MX UDR SERVER - Service disruption vulnerability
CVE-2026-79839 7.3 HIGH HPE NonStop ODBC/MX Server - Memory corruption vulnerability
CVE-2026-79838 7.3 HIGH HPE NonStop ODBC/MX Services - Memory corruption vulnerability
CVE-2026-76665 7.1 HIGH HPE NonStop EXPAND - Buffer Overflow vulnerability
CVE-2026-79822 7.1 HIGH HPE NonStop TNS/X Native Inspect - Execution flow vulnerability
CVE-2026-79825 7.1 HIGH HPE NonStop NDSREST - Heap buffer overflow vulnerability
CVE-2026-79826 7.1 HIGH HPE NonStop OCAX - Heap buffer overflow vulnerability
CVE-2026-79827 7.1 HIGH HPE NonStop Inspect Subsystem - Heap buffer overflow vulnerability

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Hewlett Packard Enterprise
Same weakness: CWE-122

V. Comments for CVE-2026-79831

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