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9 vulnerabilities by libmodbus
CVE-2024-10918 (GCVE-0-2024-10918)
Vulnerability from cvelistv5 – Published: 2025-02-27 11:44 – Updated: 2025-11-03 20:36
VLAI
Title
Stack-based Buffer Overflow in libmodbus library
Summary
Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an
unexpected length.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
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CVE-2024-36845 (GCVE-0-2024-36845)
Vulnerability from cvelistv5 – Published: 2024-05-31 19:16 – Updated: 2025-11-03 20:37
VLAI
Summary
An invalid pointer in the modbus_receive() function of libmodbus v3.1.6 allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
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CVE-2024-36844 (GCVE-0-2024-36844)
Vulnerability from cvelistv5 – Published: 2024-05-31 19:16 – Updated: 2025-11-03 20:37
VLAI
Summary
libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx->backend pointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-416 - Use After Free
Assigner
References
Impacted products
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CVE-2024-36843 (GCVE-0-2024-36843)
Vulnerability from cvelistv5 – Published: 2024-05-31 00:00 – Updated: 2025-11-03 20:37
VLAI
Summary
libmodbus v3.1.6 was discovered to contain a heap overflow via the modbus_mapping_free() function.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
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CVE-2024-34244 (GCVE-0-2024-34244)
Vulnerability from cvelistv5 – Published: 2024-05-08 00:00 – Updated: 2024-08-02 02:51
VLAI
Summary
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
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
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CVE-2023-26793 (GCVE-0-2023-26793)
Vulnerability from cvelistv5 – Published: 2024-05-01 00:00 – Updated: 2024-08-02 11:53
VLAI
Summary
libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
1 reference
Impacted products
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CVE-2022-0367 (GCVE-0-2022-0367)
Vulnerability from cvelistv5 – Published: 2022-08-29 14:03 – Updated: 2025-11-03 20:34
VLAI
Summary
A heap-based buffer overflow flaw was found in libmodbus in function modbus_reply() in src/modbus.c.
Severity
No CVSS data available.
CWE
- CWE-119 - - Improper Restriction of Operations within the Bounds of a Memory Buffer.
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/stephane/libmodbus/issues/614 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=2045571 | x_refsource_MISC |
| https://github.com/stephane/libmodbus/commit/b4ef… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2025… |
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CVE-2019-14463 (GCVE-0-2019-14463)
Vulnerability from cvelistv5 – Published: 2019-07-31 22:03 – Updated: 2024-08-05 00:19
VLAI
Summary
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 MODBUS_FC_WRITE_MULTIPLE_REGISTERS case, aka VD-1301.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/stephane/libmodbus/commit/5ccd… | x_refsource_MISC |
| https://libmodbus.org/2019/stable-and-development… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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CVE-2019-14462 (GCVE-0-2019-14462)
Vulnerability from cvelistv5 – Published: 2019-07-31 22:03 – Updated: 2024-08-05 00:19
VLAI
Summary
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 MODBUS_FC_WRITE_MULTIPLE_COILS case, aka VD-1302.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/stephane/libmodbus/commit/5ccd… | x_refsource_MISC |
| https://libmodbus.org/2019/stable-and-development… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
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"value": "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 MODBUS_FC_WRITE_MULTIPLE_COILS case, aka VD-1302."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc",
"refsource": "MISC",
"url": "https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc"
},
{
"name": "https://libmodbus.org/2019/stable-and-development-releases/",
"refsource": "MISC",
"url": "https://libmodbus.org/2019/stable-and-development-releases/"
},
{
"name": "FEDORA-2019-4942e01cdc",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HAGHQFJTJCMYHW553OUWJ3YIJR6PJHB7/"
},
{
"name": "FEDORA-2019-355f6e10c1",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PRAQZXGAZY6UGWZ6CD33QEFLL7AWW233/"
},
{
"name": "[debian-lts-announce] 20211122 [SECURITY] [DLA 2825-1] libmodbus security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00020.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2019-14462",
"datePublished": "2019-07-31T22:03:30.000Z",
"dateReserved": "2019-07-31T00:00:00.000Z",
"dateUpdated": "2024-08-05T00:19:41.129Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}