mz-automation libiec61850 MMS Request mms_mapping.c checkDataSetAccess out-of-bounds
A weakness has been identified in mz-automation libiec61850 up to 1.6.1. This issue affects the function checkDataSetAccess of the file src/iec61850/server/mms_mapping/mms_mapping.c of the component MMS Request Handler. This manipulation causes out-of-bounds read. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 1.6.2 is capable of addressing this issue. Patch name: 062062daf4cb50c7aa76e01d6fb4d58fc9278a7d. Upgrading the affected component is recommended. The vendor was contacted early about this disclosure.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-68907US | — | — | ||
libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, checkDataSetAccess revers… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18583.jsonADVISORY
- https://github.com/gff-cw/information/issues/3REPORT
- https://github.com/mz-automation/libiec61850/WEB
- https://github.com/mz-automation/libiec61850/commit/062062daf4cb50c7aa76e01d6fb4d58fc9278a7dFIX
- https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2FIX
- https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7v2x-39mw-2979ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-18583ADVISORY
- https://vuldb.com/cve/CVE-2026-18583ADVISORY
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan