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curl: passive FTPS data connection handshake blocks curl_multi_perform() with no timeout (regression in 8.19.0)

🗓️ 17 Oct 2026 14:32:39Reported by 1rhino2Type 
hackerone
 hackerone
🔗 hackerone.com👁 5 Views

Blocking TLS handshake in libcurl passive FTPS data connections blocks curl_multi_perform().

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23 Oct 2026 07:26Current
6.2Medium risk
Vulners AI Score6.2
EPSS0.00308
5