NSS

Comment 32 for bug 310999

Fwiw the cert in question has the serial:

5C11847BBF879155759853496BA77FA4

the crl at:

http://crl.comodoca.com/PositiveSSLCA.crl

has:

    Serial Number: 5C11847BBF879155759853496BA77FA4
        Revocation Date: Dec 22 22:46:47 2008 GMT