Denial Of Service (DoS) Through Memory Overwrite

OepnSSL is vulnerable to denial of service DoS attacks through memory overwrite and client application crash. If a multithreaded client connects to a malicious server using a resumed session, it is possible to trigger a race condition in the sslparseserverhellotlsext function which allows an...

openssl: race condition in ssl_parse_serverhello_tlsext

A race condition was found in the way OpenSSL handled ServerHello messages with an included Supported EC Point Format extension. A malicious server could possibly use this flaw to cause a multi-threaded TLS/SSL client using OpenSSL to write into freed memory, causing the client to crash or execut...