CVE-2020-36404: Keystone-Engine Keystone

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Keystone Engine 0.9.2 has an invalid free in llvm_ks::SmallVectorImpl<llvm_ks::MCFixup>::~SmallVectorImpl.

Affected products

• Keystone-Engine Keystone: version 0.9.2 only

Published 2021-07-01. Last modified 2026-06-17.