Read the docs
TI-2026-74732 Aliases CVE-2026-79831

Heap buffer overflow in HPE NonStop Posix User Threads

Priority LOW 28CWE-122Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

HPE NonStop Posix User Threads, versions T1280L02^ACG and earlier, contain a heap buffer overflow (CWE-122). The flaw can allow arbitrary code execution. A local user with low privileges can trigger it without user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0011 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Hewlett Packard EnterpriseHPE NonStop Posix User ThreadsT1280L02^ACG and earlier and later—No fix listedCNA
  • HPE NonStop Posix User Threads VendorHewlett Packard Enterprise Affected T1280L02^ACG and earlier and later Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for HPE NonStop Posix User Threads.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-16 Threatist record created from CVE-2026-79831

References

Other 1

  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-02747 Heap-based buffer overflow in Adobe Flash Player before 13.0.0.296 and 14.x through 18.x… KEVCVSS 3.1CRITICAL 9.8
  • TI-2013-04219 HP ProCurve Manager (PCM) 3.20 and 4.0, PCM+ 3.20 and 4.0, Identity Driven Manager (IDM)… KEVCVSS 3.1CRITICAL 9.8
  • TI-2012-01607 sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI… KEVCVSS 3.1CRITICAL 9.8
  • TI-2005-02634 HP OpenView Network Node Manager 6.2 through 7.50 allows remote attackers to execute… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-07113 Integer overflow in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before… KEVCVSS 3.1HIGH 8.8
See all 2514 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences