CVE-2026-19108CWE-119CWE-416

CVE-2026-19108

Medium · published August 7, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
4.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00159 · 4.6th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-416 · Use After Free
Published
2026-08-07T02:16Z
References (8)
https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168 · [email protected]https://github.com/mz-automation/libiec61850/issues/596 · [email protected]https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2 · [email protected]https://github.com/user-attachments/files/29163236/POC.zip · [email protected]https://vuldb.com/cve/CVE-2026-19108 · [email protected]https://vuldb.com/submit/864520 · [email protected]https://vuldb.com/vuln/386569 · [email protected]https://vuldb.com/vuln/386569/cti · [email protected]
EPSS history
Timeline
  • 06 AUG 20:30Z
    MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free
    cvelistv5