What’s Vulnerable › Vulnerabilities

CVE-2019-6138

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-01-11 · updated 2026-06-17
• Weakness: CWE-401

Description

An issue has been found in libIEC61850 v1.3.1. Memory_malloc and Memory_calloc in hal/memory/lib_memory.c have memory leaks when called from mms/iso_mms/common/mms_value.c, server/mms_mapping/mms_mapping.c, and server/mms_mapping/mms_sv.c (via common/string_utilities.c), as demonstrated by iec61850_9_2_LE_example.c.

Affected products

• mz-automation libiec61850: 1.3.1

References

• https://github.com/mz-automation/libiec61850/issues/103
• https://github.com/mz-automation/libiec61850/issues/103

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