CVE-2019-20791: Google Openthread

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Affected products

• Google Openthread: before 2019-12-13 (fixed in 2019-12-13)

Published 2020-04-28. Last modified 2026-06-17.