Medium
HMS Networks PEAK-System PCAN Windows drivers Classic Buffer Overflow
The PEAK-System PCAN diagnostic call did not validate that the caller-supplied output buffer was large enough to hold the output record.
Announced Group revision 1
Original source ↗CVE-2026-101103
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-101103
PEAK-System Device Driver Setup
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
PCAN Windows CAN device drivers
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "HMS Networks",
"product": "PEAK-System Device Driver Setup",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "5.1.2.1151"
},
{
"status": "unaffected",
"version": "5.1.4"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "HMS Networks",
"product": "PCAN Windows CAN device drivers",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "5.1.2"
},
{
"status": "unaffected",
"version": "5.1.4"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-101103
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #42597 · Revision 1
- Added to Heist Feed
- Publisher date