EUVD-2026-53677

A heap-based buffer overflow exists in lib60870-C 2.4.0 in the server-side FileSegment ASDU encoding path. The issue occurs because FileSegmentencode validates only the standalone segment length via FileSegmentGetMaxDataSize and does not verify the residual capacity of the current ASDU frame befo...

CVE-2026-67873

CVE-2026-67873 affects lib60870-C 2.4.0. A heap-based buffer overflow occurs in the server-side FileSegment ASDU encoding path because FileSegment_encode() only validates the standalone segment length via FileSegment_GetMaxDataSize() and does not verify the residual capacity of the current ASDU f...