2.3.13: newly introduced TLS bug : tls_construct_server_key_exchange

7 Jan 2021


      Hi,
since the update from 2.3.11 to 2.3.13 some clients generate this bug :
TLS handshaking: SSL_accept() failed: error:141EC044:SSL routines:tls_construct_server_key_exchange:internal error
As it looks for now, they use the old SSL approach on Ports 993 and 995.
SSL Config says:
ssl = yes
ssl_cert = 
OS: Fedora 32 X86_64
Ext4 file storage on local disks
Versions:
dovecot-2.3.13-1.fc32.x86_64
openssl-1.1.1i-1.fc32.x86_64
best regards,
Marius Schwarz