As techscruggs put it [0], the ClientHello sigalgs DoS vulnerability does not seem to facilitate unauthorized access. It may allow malicious parties to take you down, but not get in your system.
The other big one is the RSA silently downgrades to EXPORT_RSA thingy. This is the now famous SMACK TLS [1], disclosed 2 weeks ago by researchers from INRIA, IMDEA, and MicroSoft. Most of the software is getting patched (OpenSSL already has) but still very scary.