Zcash NU7 Upgrade Nears November 5 After Seven Zebra Security Fixes

Zcash Foundation has detailed seven security fixes for its Zebra node software before the NU7 upgrade planned around November 5. The update also warns operators to install a compatible release before the network switches to 25-second blocks. The November 3 engineering report covers work completed between October 20 and November 2. Zebra 7.0.0 launched on October 22 with five high-severity fixes and two medium-severity patches. Activation is set for block 3,543,405. Six vulnerabilities have the potential to interfere with the synchronization process and verification processes and may cause blocking of legitimate peers. The other vulnerability has the ability to crash zebrad, which is the process that runs Zebra. The two high-severity vulnerabilities concerned checkpoint blocks during synchronization.

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