CVE-2026-65421 — MZ Automation libiec61850 Out-of-bounds Read
The MMS BER decoder contains a flaw in decoding fixed-width BER fields (boolean/integer): an attacker-supplied length value is not validated, causing a read past the end of a …
Published: 2026-07-30 · CVSS: 7.1 · CVSS 4.0
The MMS BER decoder contains a flaw in decoding fixed-width BER fields (boolean/integer): an attacker-supplied length value is not validated, causing a read past the end of a heap buffer. This leads to termination of the MMS service process and a denial-of-service condition.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7