High severity8.6NVD Advisory· Published May 1, 2026· Updated May 20, 2026
CVE-2026-42469
CVE-2026-42469
Description
Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_canswitch.cpp the parser does not properly validate a CANswitch DLC value, allowing remote attackers to cause a denial of service or possibly execute arbitrary code via crafted CANswitch frames.
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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)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/1391nvdIssue Tracking
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