CVE-2026-67607

mediumCVSS 5.9covered by 1 sourcefirst seen 2026-07-31

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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Advisory coverage (1)

mediumCVE-2026-67607: LightFTP 2.3.1 contains a race condition vulnerability that allows remote attackers to crash t…nvd · 2026-07-31

External references

NVD record for CVE-2026-67607

CVE.org record

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