Security Advisory

CVE-2026-67873

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-05 00:00:00

Last updated 2026-08-06 12:23:51

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

A heap-based buffer overflow exists in lib60870-C 2.4.0 in the server-side FileSegment ASDU encoding path. The issue occurs because FileSegment_encode() validates only the standalone segment length via FileSegment_GetMaxDataSize() and does not verify the residual capacity of the current ASDU frame before encoding object fields and segment data

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