Debian/ruby-concurrent: medium 5.5
concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReentrantReadWriteLock can incorrectly grant a write lock after one thread acquires the read lock 32,768 times. The
Action: Upgrade ruby-concurrent to 1.3.7-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.3.7-1 | - |
Fixed versions
| 1.3.7-1 |
Sources
- osv: DEBIAN-CVE-2026-54905#Debian:14/ruby-concurrent
- https://security-tracker.debian.org/tracker/CVE-2026-54905
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