Security Advisory

CVE-2026-67607

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-31 15:59:10

Last updated 2026-07-31 16:19:04

Assigner VulnCheck

CVSS score not scored

State PUBLISHED

Description

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 worker_thread_cleanup() and pthread_join() outside of MTLock to cause pthread_join() to operate on an invalid thread ID, resulting in a server crash. CVE-2024-11144 identifies an incomplete fix of this vulnerability.

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