ruby-concurrency concurrent-ruby
3 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-54906 | < 1.3.7 | concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption | LOW 2.1 | 0.2 % | ||
| CVE-2026-54904 | < 1.3.7 | concurrent-ruby: `AtomicReference#update` livelocks when the stored value is `Float::NAN` | HIGH 8.2 | 0.7 % | ||
| CVE-2026-54905 | < 1.3.7 | concurrent-ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity | LOW 2.0 | 0.2 % |