{"id":"CVE-2023-26793","details":"libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.","modified":"2026-08-12T03:51:47.800201457Z","published":"2024-05-01T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26793.json","cna_assigner":"mitre"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26793.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26793"},{"type":"REPORT","url":"https://github.com/stephane/libmodbus/issues/683"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/stephane/libmodbus","events":[{"introduced":"2cbafa3113e276c3697d297f68e88d112b53174d"},{"last_affected":"2cbafa3113e276c3697d297f68e88d112b53174d"}],"database_specific":{"cpe":"cpe:2.3:a:libmodbus:libmodbus:3.1.10:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.1.10"},{"last_affected":"3.1.10"}],"source":"CPE_STRING"}}],"versions":["3.1.10","v3.1.10"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26793.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}