Vulnerability-Lookup

CVE-2026-19108 (GCVE-0-2026-19108)

Vulnerability from cvelistv5 – Published: 2026-08-06 20:30 – Updated: 2026-08-08 02:36 X_Open Source

Title

MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free

Summary

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.

Severity

4.8 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

5.3 (Medium)


                        
                          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

5.3 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-416 - Use After Free
CWE-119 - Memory Corruption

Assigner

VulDB

References

8 references

URL	Tags
https://vuldb.com/vuln/386569	vdb-entrytechnical-description
https://vuldb.com/vuln/386569/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19108	third-party-advisory
https://vuldb.com/submit/864520	third-party-advisory
https://github.com/mz-automation/libiec61850/issues/596	issue-tracking
https://github.com/user-attachments/files/2916323…	exploit
https://github.com/mz-automation/libiec61850/comm…	patch
https://github.com/mz-automation/libiec61850/rele…	patch

Impacted products

1 product

Vendor	Product	Version
MZ Automation	libiec61850	Affected: 1.6.0 Affected: 1.6.1 Unaffected: 1.6.2 cpe:2.3:a:mz_automation:libiec61850::::::::

Credits

Chuan Wei VULL (VulDB User) SCU_1CP (VulDB User)

Show details on NVD website

JSON

To clipboard

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GHSA-C2H4-J5J4-67WF

Vulnerability from github – Published: 2026-08-07 00:31 – Updated: 2026-08-07 00:31

Details

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

1.9 (Low)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

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  "affected": [],
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    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-06T22:16:55Z",
    "severity": "LOW"
  },
  "details": "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.",
  "id": "GHSA-c2h4-j5j4-67wf",
  "modified": "2026-08-07T00:31:16Z",
  "published": "2026-08-07T00:31:16Z",
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      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19108"
    },
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    {
      "type": "WEB",
      "url": "https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/user-attachments/files/29163236/POC.zip"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19108"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/864520"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386569"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386569/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-19108 (GCVE-0-2026-19108)

GHSA-C2H4-J5J4-67WF

Tags

Sightings

Nomenclature