CVE-2026-50103 — MEDIUM (6.5)

Vulnerability Description

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 Score

6.5

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-228

References

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

FAQ

What is CVE-2026-50103?

CVE-2026-50103 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 malfo...

How severe is CVE-2026-50103?

CVE-2026-50103 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-50103?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.