Buffer overflow in Openvehicles Open_vehicle_monitoring_system
CVE-2026-42468
Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_pcap.cpp , the parser's phdr.len field is not properly validated, allowing remote attackers to cause a denial of service or possibly execute ar…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (39.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Openvehicles Open_vehicle_monitoring_system
- Openvehicles Open_vehicle_monitoring_system_firmware — versions 3.3.005
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Issue Tracking)
Frequently asked questions
- What is CVE-2026-42468?
- CVE-2026-42468 is a high-severity vulnerability in Openvehicles Open_vehicle_monitoring_system, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-05-01.
- How severe is CVE-2026-42468?
- High severity. CVSS v3 base score is 8.8 out of 10.