rubyconcurrency records

3 published records for vendor rubyconcurrency.

Researcher profile

Records by year

Bar: total · dark part: CISA KEV.

Recurring classes

The weakness classes this vendor ships most often: where to look.

Attack profile

3 records

CVE records
Action	CVE	Vulnerability	Severity	KEV	EPSS	Published
32Monitor	CVE-2026-54904No exploit	concurrent-ruby: `AtomicReference#update` livelocks when the stored value is `Float::NAN`rubyconcurrency · concurrent ruby · CWE-835 Pre-auth Denial of service	High8.2	—	0.7%	Jun 24, 2026
8Monitor	CVE-2026-54906No exploit	concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruptionrubyconcurrency · concurrent ruby · CWE-414	Low2.1	—	0.3%	Jun 24, 2026
8Monitor	CVE-2026-54905No exploit	concurrent-ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivityrubyconcurrency · concurrent ruby · CWE-128	Low2.0	—	0.2%	Jun 24, 2026

CVE-2026-54904
32Monitor
concurrent-ruby: `AtomicReference#update` livelocks when the stored value is `Float::NAN`
HighCVSS 8.2No exploitEPSS 1%
- Pre-auth
- Denial of service
rubyconcurrency · concurrent rubyJun 24, 2026
CVE-2026-54906
8Monitor
concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption
LowCVSS 2.1No exploitEPSS 0%
rubyconcurrency · concurrent rubyJun 24, 2026
CVE-2026-54905
8Monitor
concurrent-ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity
LowCVSS 2.0No exploitEPSS 0%
rubyconcurrency · concurrent rubyJun 24, 2026