Stack-Based Buffer Overflow in Affected Product by Vendor
CVE-2026-50039

8.7HIGH

Key Information:

Vendor

Mz Automation

Status
Libiec61850
Vendor
CVE Published:
23 July 2026

What is CVE-2026-50039?

The affected product is susceptible to a stack-based buffer overflow that occurs during Read Requests. This vulnerability can lead to memory corruption, potentially allowing an attacker to exploit the flaw to execute arbitrary code or disrupt service functionality. It is crucial for users to assess their security measures and apply necessary patches or mitigations to safeguard against potential exploitation.

Affected Version(s)

libIEC61850 1.0.0 <= 1.6.1

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-2...
government-resource

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Abhinav Agarwal reported this vulnerability to CISA
.