Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9d
- https://github.com/mz-automation/libiec61850/issues/596
- https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2
- https://github.com/user-attachments/files/29163236/POC.zip
- https://vuldb.com/cve/CVE-2026-19108
- https://vuldb.com/submit/864520
- https://vuldb.com/vuln/386569
- https://vuldb.com/vuln/386569/cti
FAQ
What is CVE-2026-19108?
CVE-2026-19108 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ...
How severe is CVE-2026-19108?
CVE-2026-19108 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-19108?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.