tocsin

CVE-2026-54906

1 advisory.

RubyGems/concurrent-ruby CVE-2026-54906: low, EPSS 0.16%

Concurrent Ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

Action: Upgrade concurrent-ruby to 1.3.7 or later.

bundle update concurrent-ruby

Affected

introducedfixedlast affected
01.3.7-

Fixed versions

1.3.7

Sources

CVE-2026-54906 · published · modified · JSON