CVE-2026-50103

EUVD-2026-48396
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
icscertCNA
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
mz-automationlibiec61850
1.0.0 ≤
𝑥
≤ 1.6.1
CNA
Common Weakness Enumeration
References
https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-06