Integer overflow in Mz-Automation Libiec61850

CVE-2019-19930

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.

Vulnerability class: Integer Overflow

EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-19930?
CVE-2019-19930 is a medium-severity vulnerability in Mz-Automation Libiec61850, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2019-12-23.
How severe is CVE-2019-19930?
Medium severity. CVSS v3 base score is 6.5 out of 10.