{"id":"CVE-2024-34244","aliases":["EUVD-2024-34708","GHSA-crpf-8hgm-99cp","JLSEC-2026-1253","UBUNTU-CVE-2024-34244"],"status":"published","title":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue...","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00524,"percentile":0.44796,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-120","CWE-125"],"published":"2024-05-08T00:00:00Z","modified":"2026-10-28T02:30:20Z","fixes":[{"ecosystem":"Julia","package":"LibModbus_jll","fixed_in":["3.1.12+0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Julia","package":"LibModbus_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"3.1.10+0"},{"fixed":"3.1.12+0"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.4-1","3.0.5-1","3.0.5-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.6-1","3.0.6-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.6-2","3.0.6-2ubuntu0.1~esm1","3.0.6-2+deb9u1build0.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.6-1","3.1.6-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.6-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.6-2.1","3.1.10-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.11-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.11-2build1","3.2.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libmodbus","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.11-2","3.1.11-2build1"]}],"products":[{"vendor":"libmodbus","product":"libmodbus"}],"references":[{"url":"https://github.com/stephane/libmodbus/issues/743","tags":["x_transferred","Exploit","Issue Tracking","Vendor Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34244","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-crpf-8hgm-99cp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34244.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-34244","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-34244","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-34244","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","status":"published","published":"2024-05-08T00:00:00Z","modified":"2024-08-02T02:51:10.675Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-120","CWE-125"],"updated_at":"2026-11-02T14:34:23.193864Z"}],"euvd":[{"id":"EUVD-2024-34708","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","status":"published","published":"2024-05-08T00:00:00Z","modified":"2024-08-02T02:51:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:21.347751Z"}],"ghsa":[{"id":"GHSA-crpf-8hgm-99cp","title":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue...","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","status":"published","published":"2024-05-08T18:30:49Z","modified":"2024-07-03T18:40:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:57:35.961165Z"}],"nvd":[{"id":"CVE-2024-34244","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","status":"published","published":"2024-05-08T17:15:07.73Z","modified":"2026-06-17T07:33:08.14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-120","CWE-125"],"updated_at":"2026-11-02T14:09:57.497105Z"}],"osv":[{"id":"CVE-2024-34244","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","status":"published","published":"2024-05-08T00:00:00Z","modified":"2026-10-28T02:30:20.900721657Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:40.391953Z"},{"id":"JLSEC-2026-1253","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the `modbus_write_bits` function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","status":"published","published":"2026-08-11T14:12:22.442Z","modified":"2026-08-11T14:15:04.739825415Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:47:18.159338Z"},{"id":"UBUNTU-CVE-2024-34244","description":"libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.","status":"published","published":"2024-05-08T17:15:00Z","modified":"2026-10-17T12:56:44.944377534Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:50.784131Z"}]}}