CVE-2026-18582

A security flaw has been discovered in mz-automation libiec61850 up to 1.6.1. This vulnerability affects the function Reporting_RCBWriteAccessHandler of the file src/iec61850/server/mms_mapping/reporting.c of the component Report Sending Path Handler. The manipulation results in free of memory not on the heap. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.2 is able to resolve this issue. The patch is identified as 5b2a69f44256b8548927d8afdd7ac5f5381abe1e. It is suggested to upgrade the affected component. The vendor was contacted early about this disclosure.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/gff-cw/information/issues/2
https://github.com/mz-automation/libiec61850/
https://github.com/mz-automation/libiec61850/commit/5b2a69f44256b8548927d8afdd7ac5f5381abe1e
https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2
https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7qg8-hm25-rv5v
https://vuldb.com/cve/CVE-2026-18582
https://vuldb.com/submit/844920
https://vuldb.com/vuln/385411
https://vuldb.com/vuln/385411/cti

Configurations

No configuration.

History

03 Aug 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-08-03 02:16

Updated : 2026-08-03 17:16

NVD link : CVE-2026-18582

Mitre link : CVE-2026-18582

CVE.ORG link : CVE-2026-18582

JSON object : View

Products Affected

No product.

CWE

CWE-590

Free of Memory not on the Heap

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