CVE-2019-19958: Mz-Automation LIBIEC61850

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.

Affected products

Published 2019-12-24. Last modified 2026-06-17.