(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.
No advisories yet.
Solution
MZ Automation GmbH recommends that users update to version 1.6.2.
Workaround
No workaround given by the vendor.
Fri, 31 Jul 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 31 Jul 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mz-automation
Mz-automation libiec61850 |
|
| Vendors & Products |
Mz-automation
Mz-automation libiec61850 |
Thu, 30 Jul 2026 22:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | MZ Automation libiec61850 Out-of-bounds Read | |
| Weaknesses | CWE-125 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: icscert
Published:
Updated: 2026-07-31T15:55:36.578Z
Reserved: 2026-07-27T19:32:49.396Z
Link: CVE-2026-65421
Updated: 2026-07-31T15:55:31.946Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-31T19:15:18Z