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.
Scores
CVSS v3
6.5
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (2)
MZ Automation GmbH/libiec61850
< 1.6.2
MZ Automation GmbH/libiec61850
1.6.2
Published
Jul 30, 2026
Tracked Since
Jul 31, 2026