CVE-2026-65421

Medium

Open

TLP:CLEAR

MZ Automation libiec61850 Out-of-bounds Read

NVD CVE.org

AI Analysis

No AI analysis yet.

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.

Details

CVSS Score: 6.5
EPSS Score ⓘ: 0.18%

7.2th percentile
CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: Jul 30, 2026
Last Modified: Jul 30, 2026

Notes

0

Log in to add a note

No notes yet. Click "Add Note" to create the first analysis note.

Opinions

0

Log in to add an opinion

No opinions yet. Be the first to assess this intelligence.