What’s Vulnerable › Vulnerabilities

CVE-2019-19930

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-23 · updated 2026-06-17
• Weakness: CWE-190

Description

In libIEC61850 1.4.0, MmsValue_newOctetString in mms/iso_mms/common/mms_value.c has an integer signedness error that can lead to an attempted excessive memory allocation.

Affected products

• mz-automation libiec61850: 1.4.0

References

• https://github.com/mz-automation/libiec61850/issues/193
• https://github.com/mz-automation/libiec61850/issues/193

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