CVE-2026-19108: falha de média gravidade em MZ Automation libiec61850
MZ Automation libiec61850 URCB Revalidation reporting.c deleteDataSetValuesShadowBuffer use after free
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
33Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 4.8epss 0.2%
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: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
Produtos afetados
MZ Automation · libiec61850PoCs públicas encontradas — 1
cve_referencegithub.com/user-attachments/files/29163236/POC.zipnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Referências
https://github.com/mz-automation/libiec61850/commit/486fd57f3aed65bb9d636ff00f9ddce2e450b168https://github.com/mz-automation/libiec61850/issues/596https://github.com/mz-automation/libiec61850/releases/tag/v1.6.2https://github.com/user-attachments/files/29163236/POC.ziphttps://vuldb.com/cve/CVE-2026-19108https://vuldb.com/submit/864520https://vuldb.com/vuln/386569https://vuldb.com/vuln/386569/cti