Here are the slides by Joxean Koret's talk "Breaking AV Software". Very interesting imho.

ODP version : http://www.joxeankoret.com/download/breaking_av_software.tar.gz

PDF version - http://www.joxeankoret.com/download/breaking_av_software-pdf.tar.gz

Here are some POCs of AV bugs that @matalaz used.
http://www.joxeankoret.com/download/3ea0506f0e583c0c113bb72ae9ce19c383dd4957/syscan-2014-av-pocs.tar.gz and here is the fuzzing suite that @matalaz had kindly shared with everyone. http://www.joxeankoret.com/download/Nightmare-0.0.2.tar.gz

BR,
[ Gunther ]