Description
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 arbitrary code via crafted PCAP input.
Published: 2026-05-01
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 07 May 2026 19:00:00 +0000


Mon, 04 May 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Openvehicles
Openvehicles open Vehicle Monitoring System 3
Vendors & Products Openvehicles
Openvehicles open Vehicle Monitoring System 3

Sat, 02 May 2026 08:15:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in OVMS3 PCAP Parser Allows Remote Denial of Service and Potential Code Execution

Fri, 01 May 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 01 May 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 01 May 2026 17:00:00 +0000

Type Values Removed Values Added
Description 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 arbitrary code via crafted PCAP input.
References

Subscriptions

Openvehicles Open Vehicle Monitoring System 3
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-07T18:35:07.930Z

Reserved: 2026-04-27T00:00:00.000Z

Link: CVE-2026-42468

cve-icon Vulnrichment

Updated: 2026-05-01T17:53:41.729Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-01T17:16:25.150

Modified: 2026-05-07T19:16:01.927

Link: CVE-2026-42468

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-04T19:44:53Z

Weaknesses