{"id":"CVE-2018-18834","details":"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.","modified":"2026-08-07T14:58:43.223687Z","published":"2018-10-30T06:29:01.203Z","references":[{"type":"EVIDENCE","url":"https://github.com/fouzhe/security/tree/master/libiec61850"},{"type":"EVIDENCE","url":"https://github.com/mz-automation/libiec61850/issues/81"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mz-automation/libiec61850","events":[{"introduced":"6ba363bd4a4803dfb194733a9729ad421d6b49f0"},{"last_affected":"6ba363bd4a4803dfb194733a9729ad421d6b49f0"}],"database_specific":{"cpe":"cpe:2.3:a:mz-automation:libiec61850:1.3:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.3"},{"last_affected":"1.3"}],"source":"CPE_STRING"}}],"versions":["1.3","v1.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18834.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}