The parser in PEAK-System PCAN driver correctly detected the malformed record, but the loop iterating the record list advanced its processed-bytes… (CVE-2026-109576)
Description
A vulnerability in the PEAK-System PCAN driver parser causes the loop iterating over record lists to advance its processed-bytes counter even when a malformed record is detected and rejected. This flaw can lead to improper handling of records during parsing.
CVSS v3.1
Score 5.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The PEAK-System PCAN driver contains a vulnerability (CVE-2026-109576) where the parser correctly identifies malformed records, but the iteration loop incorrectly increments the processed-bytes counter despite rejecting invalid records. This behavior can cause issues in processing the record list, potentially leading to denial of service or other availability impacts.
Potential Impact
The vulnerability does not impact confidentiality or integrity but can cause availability issues due to improper record processing. The CVSS score of 5.5 (medium severity) reflects the potential for denial of service or disruption in normal operation of the PCAN driver.
Mitigation Recommendations
No patch or official fix information is provided. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should monitor for updates from PEAK-System and apply any official patches once released.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-5m25-2x5h-hg85
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-109576"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad7ec172cdf04f6566aefe5
Added to database: 10/20/2026, 22:32:55 UTC
Last enriched: 10/20/2026, 22:37:56 UTC
Last updated: 10/21/2026, 02:48:08 UTC
Views: 4
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