What’s Vulnerable › Vulnerabilities

CVE-2018-18834

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-10-30 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue has been found in libIEC61850 v1.3. It is a heap-based buffer overflow in BerEncoder_encodeOctetString in mms/asn1/ber_encoder.c.

Affected products

• mz-automation libiec61850: 1.3

References

• https://github.com/fouzhe/security/tree/master/libiec61850
• https://github.com/mz-automation/libiec61850/issues/81
• https://github.com/fouzhe/security/tree/master/libiec61850
• https://github.com/mz-automation/libiec61850/issues/81

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