CVE-2019-14462

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Source
https://nvd.nist.gov/vuln/detail/CVE-2019-14462
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-14462.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-14462
Downstream
Published
2019-07-31T23:15:10Z
Modified
2025-10-15T10:16:31.045841Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUSFCWRITEMULTIPLECOILS case, aka VD-1302.

References

Affected packages

Git / github.com/stephane/libmodbus

Affected ranges

Type
GIT
Repo
https://github.com/stephane/libmodbus
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5ccdf5ef79d742640355d1132fa9e2abc7fbaefc

Affected versions

v1.*

v1.2.2

v2.*

v2.1.0
v2.9.1
v2.9.2
v2.9.3
v2.9.4

v3.*

v3.0.0
v3.0.1
v3.1.0
v3.1.2
v3.1.3
v3.1.4

Database specific

vanir_signatures

[
    {
        "deprecated": false,
        "digest": {
            "length": 8355.0,
            "function_hash": "323593532108721994701969131287860941397"
        },
        "signature_type": "Function",
        "source": "https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc",
        "id": "CVE-2019-14462-a09a4a45",
        "target": {
            "file": "src/modbus.c",
            "function": "modbus_reply"
        },
        "signature_version": "v1"
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "279407068311027367221353942970198111362",
                "96805696654878289283400945749832764755",
                "264315136239087958184637419332994110289",
                "246930806917692553678028513742674422724",
                "35012889513330199115050305978215585344",
                "90122997212441459616915173969254259899",
                "215679700694705208098697681226269763170",
                "92971725741101217226280423154663327420",
                "136676668559232837800794350595617926995",
                "147375281705634079108180024146503777876",
                "35761847310492483641475584380183528662",
                "136615255643659512426378481080580633623"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "source": "https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc",
        "id": "CVE-2019-14462-df7c1ff9",
        "target": {
            "file": "src/modbus.c"
        },
        "signature_version": "v1"
    }
]