CVE-2026-67607 LightFTP 2.3.1 Race Condition DoS via worker_thread_cleanup

LightFTP 2.3.1 contains a residual race condition vulnerability an incomplete fix for CVE-2024-11144 in the workerthreadcleanup function of ftpserv.c that allows remote unauthenticated attackers to destabilize or crash the daemon by triggering unsynchronized access to shared per-connection state...

EUVD-2026-51558

LightFTP 2.3.1 contains a race condition vulnerability that allows remote attackers to crash the server by racing a fresh connection that reuses the FTP context against an in-progress ABRT cleanup. Attackers can exploit the unprotected re-check of WorkerThreadId between workerthreadcleanup and...

CVE-2024-11144

CVE-2024-11144 affects LightFTP server (notably version 2.3 per CNNVD/NVD entries) with a lack of thread safety that allows an anonymous remote attacker to crash the FTP service by sending anomalous data. Consequences include FTP service unavailability, potential incomplete file transfers and dat...

CVE-2024-11144 Race Condition with LightFTP

The server lacks thread safety and can be crashed by anomalous data sent by an anonymous user from a remote network. The crash causes the FTP service to become unavailable, affecting all users and processes that rely on it for file transfers. If the crash occurs during file upload or download, it...