{"id":"JLSEC-2026-1251","details":"libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in `read_io_status` function in `src/modbus.c`.","modified":"2026-08-11T14:15:05.102398715Z","published":"2026-08-11T14:12:22.442Z","upstream":["CVE-2023-26793"],"database_specific":{"sources":[{"modified":"2026-06-17T05:43:49.173Z","published":"2024-05-01T19:15:21.123Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-26793","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26793","database_specific":{"status":"Analyzed"},"id":"CVE-2023-26793","imported":"2026-08-11T13:56:40.750Z"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/stephane/libmodbus/issues/683"},{"type":"WEB","url":"https://github.com/stephane/libmodbus/issues/683"}],"affected":[{"package":{"name":"LibModbus_jll","ecosystem":"Julia","purl":"pkg:julia/LibModbus_jll?uuid=f28bf708-275a-52ef-9ea6-4821c17573f9"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.1.10+0"},{"fixed":"3.1.12+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1251.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"}]}