CVE-2026-49440 Deno: Miller-Rabin Primality Test Allows Zero Rounds

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Prior to 2.8.1, node:crypto.checkPrimecandidate, options, callback and crypto.checkPrimeSynccandidate, options ran no Miller-Rabin rounds at all when the caller left options.checks at its default of 0. In that mode, the only test applied ...

PT-2026-50149

Name of the Vulnerable Software and Affected Versions Deno versions prior to 2.8.1 Description The node:crypto.checkPrime and crypto.checkPrimeSync functions failed to perform Miller-Rabin rounds when the options.checks variable was left at its default value of 0. In this state, the software only...