Race condition in the XMPP library in Smack before 4.1.9, when the SecurityMode.required TLS setting has been set, allows man-in-the-middle attackers to bypass TLS protections and trigger use of cleartext for client authentication by stripping the "starttls" feature from a server response.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| org.igniterealtime.smack:smack-core(Maven) | 0 | 4.1.9 | N/A |
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