High
Security advisory
A flaw was found in qemu Media Transfer Protocol (MTP) before version 3.1.0. A path traversal in the in usb_mtp_write_data function in hw/usb/dev-mtp.c due to an improper filename sanitization. When the guest device is mounted in read-write mode, this allows to read/write arbitrary files which may lead do DoS scenario OR possibly lead to code execution on the host.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-16867
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:13 UTC · Revision 1
Source evidence
A flaw was found in qemu Media Transfer Protocol (MTP) before version 3.1.0. A path traversal in the in usb_mtp_write_data function in hw/usb/dev-mtp.c due to an improper filename sanitization. When the guest device is mounted in read-write mode, this allows to read/write arbitrary files which may lead do DoS scenario OR possibly lead to code execution on the host.
osv:CVE-2018-16867
Complete source record
{
"id": "7954f0d2457628696029dabf77a89b1fa6922cd0b6ff2b271d5add6167be356d",
"url": "https://osv.dev/vulnerability/CVE-2018-16867",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-16867",
"summary": "A flaw was found in qemu Media Transfer Protocol (MTP) before version 3.1.0. A path traversal in the in usb_mtp_write_data function in hw/usb/dev-mtp.c due to an improper filename sanitization. When the guest device is mounted in read-write mode, this allows to read/write arbitrary files which may lead do DoS scenario OR possibly lead to code execution on the host.",
"evidence": "osv:CVE-2018-16867",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-16867",
"aliases": [
"CVE-2018-16867"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
}
],
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{
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],
"modified": "2026-10-24T10:31:04.585265103Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/",
"https://usn.ubuntu.com/3923-1/",
"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16867",
"https://www.openwall.com/lists/oss-security/2018/12/06/1"
],
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{
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],
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{
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},
"related_cves": [
{
"value": "CVE-2018-16867",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 440549,
"published_at": "2018-12-12T13:29:02.75+00:00"
}