CVE-2026-49035 (GCVE-0-2026-49035)
Vulnerability from cvelistv5 – Published: 2026-07-23 20:48 – Updated: 2026-07-24 13:42
VLAI
EPSS
VEX
Title
Stack-based Buffer Overflow in MZ Automation libIEC61850
Summary
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.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 13:41 UTC
CWE
- CWE-122 - Heap-based buffer overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| MZ Automation | libIEC61850 |
Affected:
1.0.0 , ≤ 1.6.1
(custom)
|
guessed |
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