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    CVE-2026-46543

    Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.5.0, a remote peer can crash any full node by sending a RequestBatchSet message containing the genesis block's hash. The handler calls get_epoch_chunks which iterates backwards through macro blocks using Policy::macro_block_before. When it reaches the genesis block number, macro_block_before panics with "No macro blocks before genesis block". This issue has been patched in version 1.5.0.

    Published:Jun 9, 2026
    Last Modified:Jun 10, 2026
    EPS:Jun 9, 2026
    EPSS Score:0.00037
    CVSS Score:5.3

    Affected Products

    Vendor
    Nimiq
    Product
    Core-rs-albatross

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-46369 (CVSS 7.5) — Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm…
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    CVE-2026-46542 (CVSS 4.3) — Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm…
    CVE-2026-46541 (CVSS 7.5) — Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm…
    CVE-2026-46540 (CVSS 6.5) — Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm…
    CVE-2026-46539 (CVSS 5.9) — Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm…
    CVE-2026-44505 (CVSS 5.3) — Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm…
    CVE-2026-40094 (CVSS 4.3) — nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and prio…
    CVE-2026-40092 (CVSS 7.5) — nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. In versions 1.3.0 and belo…
    CVE-2026-34069 (CVSS 5.3) — nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross c…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High