Dear Sir/Madam,
I am writing to you to let you know that we now believe that the importance of this exploit has been over-estimated*. To correct an over-site on our part, and for your records, the CVE have now been informed of this potential issue. As circumstances have now changed, this information will have a limited public release on 31st October 2015. Kind regards
* Over-estimated; as in, no fix hour/days/weeks. So, can't be serious surely
- Receive a quick informative reply ... OK.
- No reply ... 31st October it is.