{"id":"JLSEC-2026-1255","details":"libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx-\u003ebackend pointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.","modified":"2026-08-11T14:15:03.468393461Z","published":"2026-08-11T14:12:22.442Z","upstream":["CVE-2024-36844"],"database_specific":{"license":"CC-BY-4.0","sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36844","database_specific":{"status":"Modified"},"id":"CVE-2024-36844","imported":"2026-08-11T13:56:40.816Z","modified":"2026-06-17T07:37:14.760Z","published":"2024-05-31T20:15:10.380Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-36844"}]},"references":[{"type":"WEB","url":"https://github.com/stephane/libmodbus/issues/749"},{"type":"WEB","url":"https://github.com/stephane/libmodbus/issues/749"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00010.html"}],"affected":[{"package":{"name":"LibModbus_jll","ecosystem":"Julia","purl":"pkg:julia/LibModbus_jll?uuid=f28bf708-275a-52ef-9ea6-4821c17573f9"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.1.10+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1255.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:N/I:N/A:H"}]}