CVE-2026-66360
HIGH SEVERITYCVSS Score & Metrics
Base Score
7.5 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Description
The ISO Presentation layer contains a flaw in the handling of specific
parameters during normal mode negotiation. A missing length check in the
processing of the encoded presentation data allows an attacker
controlled field with a zero length value to trigger a bounded heap over
read. This condition occurs before MMS session establishment, a crafted
TCP/102 connection attempt can trigger the issue. The resulting over
read causes the process to terminate, leading to a denial of service
condition.
parameters during normal mode negotiation. A missing length check in the
processing of the encoded presentation data allows an attacker
controlled field with a zero length value to trigger a bounded heap over
read. This condition occurs before MMS session establishment, a crafted
TCP/102 connection attempt can trigger the issue. The resulting over
read causes the process to terminate, leading to a denial of service
condition.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-125
Source
NVD
Vendor
MZ Automation GmbH
Product
libiec61850
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