Vulnerabilities in ruby-concurrency
3 resultsCVE-2026-54904HIGHconcurrent-ruby: `AtomicReference#update` livelocks when the stored value is `Float::NAN`EPSS 0.3%CVE-2026-54905LOWconcurrent-ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivityEPSS 0.1%CVE-2026-54906LOWconcurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruptionEPSS 0.1%