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CVE-2026-49035

HIGH
8.1
CVSS 3.1
Description
The affected product is vulnerable to a heap-based buffer overflow via a crafted MMS Initiate request. Remote code execution (RCE) has been demonstrated when ASLR is disabled; memory corruption or denial of service may occur in configurations where ASLR is enabled.

Metadata

CVE ID
CVE-2026-49035
State
PUBLISHED
Assigner
icscert
Reserved
2026-06-09 20:01 UTC
Published
2026-07-23 20:48 UTC
Last updated
2026-07-23 20:48 UTC
Primary CWE
CWE-122
CWE-122 Heap-based buffer overflow
Vendor / Product
MZ Automation / libIEC61850
Sources
cve.org  ·  NVD

Severity & Metrics

8.1 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products (1)
VendorProductPlatformVersions
MZ Automation libIEC61850 — 1.0.0 ≤ 1.6.1
Weakness (CWE)
CWESourceDescription
CWE-122 cna CWE-122 Heap-based buffer overflow
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.2 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 HIGH 3.1 cna CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References (1)
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