CVE-2026-19108MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free
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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
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-416, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MZ Automation libiec61850 mz_automation:libiec61850 | 1.6.0; 1.6.1; 1.6.2 not affected | CNA record |
References
- https://vuldb.com/vuln/386569vdb-entry, technical-description
- https://vuldb.com/vuln/386569/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-19108third-party-advisory
- https://vuldb.com/submit/864520third-party-advisory
- https://github.com/mz-automation/libiec61850/issues/596issue-tracking
- https://github.com/user-attachments/files/29163236/POC.zipexploit
- https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168patch
- https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.