High severity8.8NVD Advisory· Published May 1, 2026· Updated May 20, 2026
CVE-2026-42468
CVE-2026-42468
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.
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Affected products
2- Range: <=3.3.005
Patches
Vulnerability mechanics
References
2- gist.github.com/sgInnora/f4ac66faeefe07a653ceeb3f58cdc381nvdThird Party Advisory
- github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/1392nvdIssue Tracking
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