Skip to content
CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-56758

MZ Automation libiec61850 Out-of-bounds Read

Description

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 past the end of a heap buffer.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

MZ Automation GmbH libiec61850

Default version status: unaffected

  • 0 to < 1.6.2affected
  • 1.6.2unaffected

References