CVE-2026-19477

HIGH CVSS 4.0: 8.6
Updated Sep 18, 2026
Linux
Parameter Value
CVSS 8.6 (HIGH)
Type CWE-121 (Stack-based Buffer Overflow)
Vendor Linux
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0