CVE-2026-67873

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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

Vendor	n/a
Product	n/a
Published	Aug 5, 2026
Last Updated	Aug 5, 2026

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Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/mz-automation/lib60870 github.com: https://github.com/mz-automation/lib60870/releases/tag/v2.4.0 github.com: https://github.com/mz-automation/lib60870/blob/master/user_guide.adoc github.com: https://github.com/mz-automation/lib60870/issues/201