Description
A NULL pointer dereference in the MMS Write Named Variable List handler, which may allow a network adjacent attacker to crash the server by sending a WriteRequest with an empty listOfData field.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| MZ Automation | libIEC61850 | 1.0.0 – ≤ 1.6.1 | — |
Advisories 1
- ICSA-26-204-06 MZ Automation libIEC61850 CISA ICS & IT advisories · Jul 23, 2026
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-06 government-resource