Buffer overflow in Mz Automation Libiec61850
CVE-2026-19206
A security flaw has been discovered in MZ Automation libiec61850 up to 1.6.1. This affects the function SVReceiver_stopThreadless of the file src/sampled_values/sv_subscriber.c of the component ASDU Element Handler. Performing a manipulati…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Mz Automation Libiec61850 — versions 1.6.0, 1.6.1, 1.6.2
Weakness classification (CWE)
References
- cna@vuldb.com (patch)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (patch)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-19206?
- CVE-2026-19206 is a medium-severity vulnerability in Mz Automation Libiec61850, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-08-07.
- How severe is CVE-2026-19206?
- Medium severity. CVSS v3 base score is 5.3 out of 10.