CVE-2026-51219

State: Published
Severity: 7.5 High
Published: Jun 29, 2026
Updated: Aug 4, 2026
Reserved: Jun 7, 2026

Description

A heap buffer overflow in the HighPriorityASDUQueue_hasUnconfirmedIMessages function of lib60870 v2.3.3 to v2.3.6 allows attackers to cause a Denial of Service (DoS) via a crafted payload.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/mz-automation/lib60870
https://github.com/mz-automation/lib60870/releases
https://github.com/mz-automation/lib60870/issues/196

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