CVE-2026-50032: high-severity vulnerability in MZ Automation libIEC61850
NULL Pointer Dereference in MZ Automation libIEC61850
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.5%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
MZ Automation · libIEC61850Related CVEs — MZ Automation libIEC61850
In the same product, most dangerous first.
CVE-2022-2972CRITICALMZ Automation libIEC61850 Stack-Based Buffer OverflowEPSS 1.6%CVE-2022-2970CRITICALMZ Automation libIEC61850 Stack-Based Buffer OverflowEPSS 1.5%CVE-2022-1302HIGHMalformed Goose Message in LibIEC61850 may result in a denial of serviceEPSS 1.1%CVE-2022-2971HIGHMZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')EPSS 1.1%CVE-2022-2973HIGHMZ Automation libIEC61850 NULL Pointer DereferenceEPSS 1.1%CVE-2026-49035CRITICALStack-based Buffer Overflow in MZ Automation libIEC61850EPSS 0.6%