CVE-2026-50103

A NULL pointer dereference in the L2 GOOSE and R-GOOSE shared parser, which may allow a network-adjacent attacker to crash a subscribing application by sending a crafted GOOSE frame containing a malformed TLV value.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-06

Configurations

No configuration.

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Una desreferencia de puntero NULL en el analizador compartido L2 GOOSE y R-GOOSE, lo que podría permitir a un atacante adyacente a la red bloquear una aplicación suscriptora al enviar una trama GOOSE manipulada que contenga un valor TLV malformado.

Information

Published : 2026-07-23 21:17

Updated : 2026-10-24 13:10

NVD link : CVE-2026-50103

Mitre link : CVE-2026-50103

CVE.ORG link : CVE-2026-50103

JSON object : View

Products Affected

No product.

CWE

CWE-228

Improper Handling of Syntactically Invalid Structure

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