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Threat Entry
Updated 2026-01-23
CVE-2026-23519 - Utils Plugin
RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in constant-time and not be rewritten as branches by the compiler. Prior to 0.4.4, the thumbv6m-none-eabi (Cortex M0, M0+ and M1) compiler emits non-constant time assembly when using cmovnz (portable version). This vulnerability is fixed in 0.4.4.
PLUGIN
Utils
CVE-2026-23519
Risk Score