CVE-2026-19108

medium

Description

A vulnerability was found in MZ Automation libiec61850 up to 1.6.1. The affected element is the function deleteDataSetValuesShadowBuffer of the file src/iec61850/server/mms_mapping/reporting.c of the component URCB Revalidation. The manipulation results in use after free. The attack needs to be approached locally. The exploit has been made public and could be used. Upgrading to version 1.6.2 is sufficient to fix this issue. The patch is identified as 486fd57f3aed65bb9d636ff00f9ddce2e450b168. Upgrading the affected component is advised.

References

https://vuldb.com/vuln/386569/cti

https://vuldb.com/vuln/386569

https://vuldb.com/submit/864520

https://vuldb.com/cve/CVE-2026-19108

https://github.com/user-attachments/files/29163236/POC.zip

https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2

https://github.com/mz-automation/libiec61850/issues/596

https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168

Details

Source: Mitre, NVD

Published: 2026-08-06

Updated: 2026-08-08

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.0012