CVE-2026-79831CWE-122

CVE-2026-79831

Medium · published October 15, 2026

CVSS v3.1
6.6
EPSS
0%
Percentile
1.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.6 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00110 · 1.2th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-10-15T15:17Z
References (1)
EPSS history
Timeline
  • 17 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 15 OCT 10:40Z
    HPE NonStop Posix User Threads - Heap buffer overflow vulnerability
    cvelistv5
  • 15 OCT 10:40Z
    HPE NonStop Posix User Threads - Heap buffer overflow vulnerability
    cvelistv5