CVE-2026-18583
A weakness has been identified in mz-automation libiec61850 up to 1.6.1.
Does this matter?
Lower severity and a low EPSS score (0.50%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 4.0
- 5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.50% probability · 41th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-125
- Source
- cna@vuldb.com
References
- https://github.com/gff-cw/information/issues/3
- https://github.com/mz-automation/libiec61850/
- https://github.com/mz-automation/libiec61850/commit/062062daf4cb50c7aa76e01d6fb4d58fc9278a7d
- https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2
- https://github.com/mz-automation/libiec61850/security/advisories/GHSA-7v2x-39mw-2979
- https://vuldb.com/cve/CVE-2026-18583
- https://vuldb.com/submit/844921
- https://vuldb.com/vuln/385412
- https://vuldb.com/vuln/385412/cti
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.