Today, 16 years ago, Debian published a security advisory announcing CVE-2008-0166, a severe bug in their OpenSSL package that effectively broke the random number generator and limited the key space to a few ten thousand keys. The vulnerability affected Debian+Ubuntu between 2006 and 2008. In 2007, an email signature system called DKIM was introduced. Is it possible that people configured DKIM in 2007, never changed their key, and are still vulnerable to CVE-2008-0166? https://16years.secvuln.info/

Given that I see calls for better support for those random opensource devs that happen to maintain some of the most important pieces of software on the planet: a good friend of mine is maintaining expat - possibly the most important+popular xml library out there - and he has a message in his latest changelog that you may want to read: https://github.com/libexpat/libexpat/blob/R_2_6_2/expat/Changes