What’s Vulnerable › Vulnerabilities
CVE-2026-50103: Improper Handling of Syntactically Invalid Structure in MZ Automation libIEC61850
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-23 · updated 2026-10-24
- Weakness: CWE-228
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.
Affected products
- mz-automation libiec61850: from 1.0.0 through 1.6.1
References
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