I've updated the SSL certificate on my website as a response to the Heartbleed vulnerability.

Relevant information on the new certificate is here, PGP signed with my usual key (0x807B17C1 / 7960 1CDC 85C9 0B63 8D9F DD89 3BD8 FF2B 807B 17C1).

If you're in the mad scramble to patch the Heartbleed vulnerability in OpenSSL on your Ubuntu servers but you need to see some documentation, look in your /usr/share/doc/openssl/changelog.Debian.gz file. If you see the following at the very top of the file, you're patched:

  openssl (1.0.1-4ubuntu5.12) precise-security; urgency=medium
  
    * SECURITY UPDATE: side-channel attack on Montgomery ladder implementation
      - debian/patches/CVE-2014-0076.patch: add and use constant time swap in
        crypto/bn/bn.h, crypto/bn/bn_lib.c, crypto/ec/ec2_mult.c,
        util/libeay.num.
      - CVE-2014-0076
    * SECURITY UPDATE: memory disclosure in TLS heartbeat extension …