CVE-2026-61893
Medium
Description
A crafted IEC 60870-5-104 I-frame with TypeID 104 (C_TS_NA_1) and an inflated object count causes TestCommand_getFromBuffer to read one byte past the end of the heap-allocated message buffer.
SeverityMedium
CVSS6.5
Exploit probability—
ProductMz Automation Lib60870
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| MZ Automation lib60870 | 2.4.0 | — |
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