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.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
mz automation:libiec61850
References 8
https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9…
cna@vuldb.com
https://github.com/mz-automation/libiec61850/issues/596
cna@vuldb.com
https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2
cna@vuldb.com
https://github.com/user-attachments/files/29163236/POC.zip
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-19108
cna@vuldb.com
https://vuldb.com/submit/864520
cna@vuldb.com
https://vuldb.com/vuln/386569
cna@vuldb.com
https://vuldb.com/vuln/386569/cti
cna@vuldb.com