High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-34244
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 16:21 UTC · Revision 1
Source evidence
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.
osv:CVE-2024-34244
Complete source record
{
"id": "85184b70a7aae86d33772b74d41aa1927a2b578242d5bb57a979fa12b9b7cc80",
"url": "https://osv.dev/vulnerability/CVE-2024-34244",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2024-34244",
"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.",
"evidence": "osv:CVE-2024-34244",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2024-34244",
"aliases": [
"CVE-2024-34244"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/stephane/libmodbus",
"type": "GIT",
"events": [
{
"introduced": "2cbafa3113e276c3697d297f68e88d112b53174d"
},
{
"last_affected": "2cbafa3113e276c3697d297f68e88d112b53174d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:libmodbus:libmodbus:3.1.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.1.10"
},
{
"last_affected": "3.1.10"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.1.10",
"v3.1.10"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-34244.json"
}
}
],
"modified": "2026-10-28T02:30:20.900721657Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34244.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-34244",
"https://github.com/stephane/libmodbus/issues/743"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34244.json"
}
},
"related_cves": [
{
"value": "CVE-2024-34244",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 487049,
"published_at": "2024-05-08T00:00:00+00:00"
}