Zcash Foundation Urges Immediate Upgrade to Zebra 4.5.1 Due to Security Vulnerability

Zcash Foundation has released version 4.5.1 of Zebra, addressing a critical consensus security vulnerability identified as GHSA-2prc-cj5x-4443. According to Foresight News, all node operators are strongly advised to upgrade immediately to mitigate the risk of a consensus fork. The vulnerability arose from an incomplete fix for the P2SH Sigop counting issue in the previous version, 4.5.0. Currently, there are no known workarounds, making the upgrade the only solution.