What is CVE-2019-19958?

CVE-2019-19958 is a medium-severity vulnerability in Mz-Automation Libiec61850, classified under Incorrect Conversion between Numeric Types. CVSS score: 6.5/10. Published 2019-12-24.

How severe is CVE-2019-19958?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Mz-Automation Libiec61850

CVE-2019-19958

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.

EPSS: 0.009 (57.2th 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

Mz-automation Libiec61850 — versions 1.4.0
N/a — versions n/a

Weakness classification (CWE)

CWE-681 — Incorrect Conversion between Numeric Types
CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-19958?: CVE-2019-19958 is a medium-severity vulnerability in Mz-Automation Libiec61850, classified under Incorrect Conversion between Numeric Types. CVSS score: 6.5/10. Published 2019-12-24.
How severe is CVE-2019-19958?: Medium severity. CVSS v3 base score is 6.5 out of 10.