CVE-2019-19958
In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-19958- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-681, CWE-770
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-19958- Updated
- 2026-11-02
EUVDEUVD-2019-9546 No score
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.
- Record
EUVD-2019-9546- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hq34-vj22-r4h8 No score
In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an...
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.
- Record
GHSA-hq34-vj22-r4h8- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2019-19958- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-19958 is a medium vulnerability (CVSS 6.5) in Mz-automation Libiec61850, published December 24, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. No source names a fixed version.