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First version without a known vulnerability: 26.0.0
pyOpenSSL DTLS cookie callback buffer overflow
Fixed in: 26.0.0
pyOpenSSL allows TLS connection bypass via unhandled callback exception in set_tlsext_servername_callback
Fixed in: 26.0.0
PyOpenSSL Mishandles NUL Byte In Certificate Subject Alternative Name
Fixed in: 0.13.1
PyOpenSSL Use-After-Free vulnerability
Fixed in: 17.5.0
Pyopenssl Incorrect Memory Management
Fixed in: 17.5.0