CVE-2026-54496

CVE-2026-54496 affects Zebrad and related crates (halo2_gadgets, orchard, zcash_primitives, zcashd) prior to fixed versions. Root cause: the variable-base scalar multiplication gadget uses assign_advice() to feed the base point in halo2_gadgets—without a copy constraint tying it to the real base—...

GHSA-GF9R-M956-97QX zebrad has consensus divergence via P2SH sigop undercount in pure-Rust disabled-opcode parser

Am I affected You are affected if: 1. You run any version of zebrad up to and including v4.4.1. 2. Your node validates blocks on mainnet, testnet, or any network where both Zebra and zcashd nodes participate. All default configurations are affected. No feature flags, non-default settings, or...

CVE-2026-41583

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-script version 5.0.2, after a refactoring, Zebra failed to validate a consensus rule that restricted the possible values of sighash hash types for V5 transactions which were enabled in the NU5 network...

CVE-2026-41583 ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-script version 5.0.2, after a refactoring, Zebra failed to validate a consensus rule that restricted the possible values of sighash hash types for V5 transactions which were enabled in the NU5 network...

CVE-2026-41583 ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling

ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-script version 5.0.2, after a refactoring, Zebra failed to validate a consensus rule that restricted the possible values of sighash hash types for V5 transactions which were enabled in the NU5 network...

CVE-2026-41583

ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling (CVE-2026-41583). Zebra, a Rust-based Zcash node, failed after a refactor to validate sighash hash-type limits for V5 (NU5) and V4 transactions. This could allow Zebra to accept/mined blocks that zcashd would reject, causing a ...

Zebra has Consensus Divergence in Transparent Sighash Hash-Type Handling due to Stale Buffer

CVE-2026-44497: Consensus Divergence in Transparent Sighash Hash-Type Handling due to Stale Buffer Summary The fix for https://github.com/ZcashFoundation/zebra/security/advisories/GHSA-8m29-fpq5-89jj introduced a separate issue due to insuficient error handling of the case where the sighash type ...

GHSA-8M29-FPQ5-89JJ Zebra Vulnerable to Consensus Divergence in Transparent Sighash Hash-Type Handling

CVE-2026-41583: Consensus Divergence in Transparent Sighash Hash-Type Handling Summary After a refactoring, Zebra failed to validate a consensus rule that restricted the possible values of sighash hash types for V5 transactions which were enabled in the NU5 network upgrade. Zebra nodes could thus...

Zebra Vulnerable to Consensus Divergence in Transparent Sighash Hash-Type Handling

CVE-2026-41583: Consensus Divergence in Transparent Sighash Hash-Type Handling Summary After a refactoring, Zebra failed to validate a consensus rule that restricted the possible values of sighash hash types for V5 transactions which were enabled in the NU5 network upgrade. Zebra nodes could thus...

CVE-2026-35679

Zcash zcashd before 6.12.0 allows invalid transactions to be accepted under certain conditions, which potentially could have resulted in the draining of user funds from the Sprout pool. It was sometimes not verifying Sprout proofs...

CVE-2026-35679

CVE-2026-35679 affects Zcash zcashd prior to 6.12.0. The vulnerability allows invalid Sprout transactions to be accepted under certain conditions, potentially draining user funds from the Sprout pool, due to partial or improper verification of Sprout proofs. Impact is described as allowing the ac...

EUVD-2020-29655

Malware in sbrugna...

EUVD-2020-29654

Malware in sbrugna...

EUVD-2019-7423

Malware in sbrugna...

CVE-2020-8806

Electric Coin Company Zcashd before 2.1.1-1 allows attackers to trigger consensus failure and double spending. A valid chain could be incorrectly rejected because timestamp requirements on block headers were not properly enforced...

CVE-2020-8807

In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel...

CVE-2019-16930

Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts. This affects anyone who has disclosed their zaddr to a third party...

CVE-2020-8807

In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel...

CVE-2020-8807

In Electric Coin Company Zcashd before 2.1.1-1, the time offset between messages could be leveraged to obtain sensitive information about the relationship between a suspected victim's address and an IP address, aka a timing side channel...

CVE-2020-8806

Electric Coin Company Zcashd before 2.1.1-1 allows attackers to trigger consensus failure and double spending. A valid chain could be incorrectly rejected because timestamp requirements on block headers were not properly enforced...