CVE-2026-61893

Medium

Open

TLP:CLEAR

MZ Automation lib60870 Out-of-bounds Read

NVD CVE.org

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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.

Details

CVSS Score: 6.5
EPSS Score ⓘ: 0.26%

18.2th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Confidence: 90%
Published: Jul 30, 2026
Last Modified: Jul 30, 2026

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