CRITICALVulnerability
CVE-2026-67873
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
Properties
- severity
- CRITICAL
- score
- 9.8
- cve_id
- CVE-2026-67873
- vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-08-06T00:16:54.380
- last_modified
- 2026-08-31T19:33:11.197
Related Entities (2)
DESCRIBED_BY (1)
→[Source]NVD
HAS_WEAKNESS (1)
→[Weakness]Heap-based Buffer Overflow
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