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The Zcash Foundation releases Zebra version 4.4.0, addressing several consensus-level security vulnerabilities and recommending immediate node upgrades.

The Zcash Foundation releases Zebra version 4.4.0, addressing several consensus-level security vulnerabilities and recommending immediate node upgrades.

ChaincatcherChaincatcher2026/05/02 01:47
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ChainCatcher reported that the Zcash Foundation has officially announced the release of Zebra version 4.4.0. This update addresses multiple critical consensus-level security vulnerabilities and strongly recommends that all node operators upgrade immediately. The fixes include a denial-of-service vulnerability that could cause the permanent halt of new block discovery, a consensus split caused by block signature operation (sigops) miscounting, abnormal handling of transparent transaction signature hashes, and the risk of memory allocation amplification attacks.

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