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

[
    {
        "signature_type": "Function",
        "id": "CVE-2019-14462-a09a4a45",
        "source": "https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc",
        "signature_version": "v1",
        "target": {
            "function": "modbus_reply",
            "file": "src/modbus.c"
        },
        "digest": {
            "function_hash": "323593532108721994701969131287860941397",
            "length": 8355.0
        },
        "deprecated": false
    },
    {
        "signature_type": "Line",
        "id": "CVE-2019-14462-df7c1ff9",
        "source": "https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc",
        "signature_version": "v1",
        "target": {
            "file": "src/modbus.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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            ]
        },
        "deprecated": false
    }
]