PT-2026-51091

Name of the Vulnerable Software and Affected Versions concurrent-ruby versions prior to 1.3.7 Description Concurrent::ReentrantReadWriteLock can incorrectly grant a write lock after a single thread acquires the read lock 32,768 times. The lock manages a thread's local read and write hold counts...

Malicious Package

Overview concurrent-ruby is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

Malicious code in concurrent-ruby (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 3a9a44087853b6fa03aa9a4f09e51ff827a6d90b6fe4da7c38cc6ef2764ad99d Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

EUVD-2025-32980

Malicious code in concurrent-ruby npm...

MAL-2025-48026 Malicious code in concurrent-ruby (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 3a9a44087853b6fa03aa9a4f09e51ff827a6d90b6fe4da7c38cc6ef2764ad99d Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...