3 Total advisories
3 Vulnerabilities
0 Malware
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Vulnerabilities
MEDIUM 5.5
CVE-2026-54905
Concurrent Ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity
HIGH 7.5
CVE-2026-54904
Concurrent Ruby : `AtomicReference#update` livelocks when the stored value is `Float::NAN`
UNKNOWN
CVE-2026-54906
Concurrent Ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption
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