Unrated severityNVD Advisory· Published Aug 5, 2026· Updated Aug 5, 2026
CVE-2026-67873
CVE-2026-67873
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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Affected products
1- Range: <2.4.0
Patches
Vulnerability mechanics
References
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