CVE-2026-42468 Details
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.
A buffer overflow vulnerability has been identified in Open Vehicle Monitoring System 3 (OVMS3) version 3.3.005. The issue arises in the PCAP format parser within 'canformat_pcap.cpp', where the 'phdr.len' field is not properly validated. This lack of validation allows remote attackers to cause a denial-of-service condition or potentially execute arbitrary code by sending crafted PCAP input.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381 | [email protected] | Third Party Advisory |
| https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1392 | [email protected] | Issue Tracking |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-121 | Stack-based Buffer Overflow | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| openvehicles open vehicle monitoring system firmware | 3.3.005 |
CPE
Remediation
| |
| openvehicles open vehicle monitoring system | All versions |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| May 20, 2026 | Initial Analysis | [email protected] |
| May 7, 2026 | CVE Modified | [email protected] |
| May 1, 2026 | CVE Modified | CISA-ADP |
| May 1, 2026 | CVE Modified | CISA-ADP |
| May 1, 2026 | New CVE Received | [email protected] |