CVE-2026-67607

Publié : 31 juillet 2026

Modifié : 31 juillet 2026

Score CVSS

5.9

MEDIUM

Description détaillée

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.

Vecteur d'attaque (CVSS)

Vecteur brut :CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Références et Patchs

https://github.com/zeroscience/tuktam#real-world-case-study-lightftp-cve-2024-11144 https://www.vulncheck.com/advisories/lightftp-race-condition-dos-via-worker-thread-cleanup https://github.com/zeroscience/tuktam#real-world-case-study-lightftp-cve-2024-11144

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