Out-of-bounds Read in Mz Automation Gmbh Libiec61850
CVE-2026-56758
The ACSE layer contains a flaw in the processing of AARQ PDUs during MMS connection establishment. When parsing certain fields within the calling AP title, an attacker controlled length value of zero or one may cause the parser to read…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mz Automation Gmbh Libiec61850 — versions 0, 1.6.2
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-56758?
- CVE-2026-56758 is a medium-severity vulnerability in Mz Automation Gmbh Libiec61850, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-07-30.
- How severe is CVE-2026-56758?
- Medium severity. CVSS v3 base score is 6.5 out of 10.