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CVE-2026-41584— ZEBRA: rk Identity Point Panic in Transaction Verification

EPSS 0.04% · P13
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I. Basic Information for CVE-2026-41584

Vulnerability Information
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Vulnerability Title
ZEBRA: rk Identity Point Panic in Transaction Verification
Source: NVD (National Vulnerability Database)
Vulnerability Description
ZEBRA is a Zcash node written entirely in Rust. Prior to zebrad version 4.3.1 and prior to zebra-chain version 6.0.2, Orchard transactions contain a rk field which is a randomized validating key and also an elliptic curve point. The Zcash specification allows the field to be the identity (a "zero" value), however, the orchard crate which is used to verify Orchard proofs would panic when fed a rk with the identity value. Thus an attacker could send a crafted transaction that would make a Zebra node crash. This issue has been patched in zebrad version 4.3.1 and zebra-chain version 6.0.2.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可达断言
Source: NVD (National Vulnerability Database)
Vulnerability Title
zebra 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zebra是Zcash Foundation开源的一个用Rust编写的Zcash全节点实现。 zebra 4.3.1之前版本存在安全漏洞，该漏洞源于Orchard交易的rk字段为身份值时导致orchard crate崩溃，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
ZcashFoundationzebra zebra-chain < 6.0.2 -

II. Public POCs for CVE-2026-41584

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III. Intelligence Information for CVE-2026-41584

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Same Patch Batch · ZcashFoundation · 2026-05-08 · 7 CVEs total

CVE-2026-445005.3 MEDIUMZEBRA: Allocation Amplification in Inbound Network Deserializers
CVE-2026-41585ZEBRA: Denial of Service via Interrupted JSON-RPC Requests from Authenticated Clients
CVE-2026-41583ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling
CVE-2026-44497ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type Handling due to Stale Buffer
CVE-2026-44498ZEBRA: Block Validator Undercounts Coinbase and P2SH Sigops
CVE-2026-44499ZEBRA: Permanent Block Discovery Halt via Gossip Queue Saturation and Syncer Poisoning

IV. Related Vulnerabilities

Same product: zebra
Same vendor: ZcashFoundation
Same weakness: CWE-617

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