Version 2.0.7-3 of Zcashd includes an important security fix in response to an issue that was reported to us on Friday September 13th 2019 by Florian Tramèr, Dan Boneh, and Kenneth G. Paterson.

Users should upgrade their nodes to this version immediately and discontinue use of older versions.

Please note that the issue does not put funds at risk of theft or counterfeiting. More details of the issue will be released in coordination with the reporters of the issue at a future date.