CVE-2026-19477CWE-121

CVE-2026-19477

High · published September 17, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
3.1
In the wild
Unconfirmed
What it is

There

is stack-based buffer overflow vulnerability recently discovered in MCC Universal Library for Linux (uldaq).  This may result in information disclosure or arbitrary code

execution. This vulnerability affects MCC Universal Library for Linux (uldaq) v1.2.1

and prior versions.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
8.6 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00141 · 3.1th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-09-17T23:16Z
References (2)
https://github.com/mccdaq/uldaq/security/advisories/GHSA-9jr3-33mw-g6jc · [email protected]https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/stack-based-buffer-overflow-vulnerability-linux-uldaq.html · [email protected]
EPSS history
Timeline
  • 19 SEP 03:51Z
    EPSS moved — → 0%
    epss
  • 17 SEP 18:42Z
    Stack-based Buffer Overflow Vulnerability in Linux (uldaq)
    cvelistv5