CVE-2018-18834
CVSS v3
9.8
CRITICAL
EPSS Score
2.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2018-10-30
Frequently asked questions
What is CVE-2018-18834?
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.
Is CVE-2018-18834 actively exploited?
Active exploitation of CVE-2018-18834 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-18834?
CVE-2018-18834 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-18834 affecting your environment?
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