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    2 vulnerabilities found for nimiq-blockchain by nimiq

    CVE-2026-34066 (GCVE-0-2026-34066)

    Vulnerability from nvd – Published: 2026-04-22 19:47 – Updated: 2026-04-23 12:57
    VLAI
    Title
    nimiq-blockchain: Peer-triggerable panic during history sync
    Summary
    nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. Prior to version 1.3.0, `HistoryStore::put_historic_txns` uses an `assert!` to enforce invariants about `HistoricTransaction.block_number` (must be within the macro block being pushed and within the same epoch). During history sync, a peer can influence the `history: &[HistoricTransaction]` input passed into `Blockchain::push_history_sync`, and a malformed history list can violate these invariants and trigger a panic. `extend_history_sync` calls `this.history_store.add_to_history(..)` before comparing the computed history root against the macro block header (`block.history_root()`), so the panic can happen before later rejection checks run. The patch for this vulnerability is included as part of v1.3.0. No known workarounds are available.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-20 - Improper Input Validation
    • CWE-617 - Reachable Assertion
    • CWE-754 - Improper Check for Unusual or Exceptional Conditions
    Assigner
    References
    Impacted products
    Vendor Product Version
    nimiq nimiq-blockchain Affected: < 1.3.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-34066 (GCVE-0-2026-34066)

    Vulnerability from cvelistv5 – Published: 2026-04-22 19:47 – Updated: 2026-04-23 12:57
    VLAI
    Title
    nimiq-blockchain: Peer-triggerable panic during history sync
    Summary
    nimiq-blockchain provides persistent block storage for Nimiq's Rust implementation. Prior to version 1.3.0, `HistoryStore::put_historic_txns` uses an `assert!` to enforce invariants about `HistoricTransaction.block_number` (must be within the macro block being pushed and within the same epoch). During history sync, a peer can influence the `history: &[HistoricTransaction]` input passed into `Blockchain::push_history_sync`, and a malformed history list can violate these invariants and trigger a panic. `extend_history_sync` calls `this.history_store.add_to_history(..)` before comparing the computed history root against the macro block header (`block.history_root()`), so the panic can happen before later rejection checks run. The patch for this vulnerability is included as part of v1.3.0. No known workarounds are available.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-20 - Improper Input Validation
    • CWE-617 - Reachable Assertion
    • CWE-754 - Improper Check for Unusual or Exceptional Conditions
    Assigner
    References
    Impacted products
    Vendor Product Version
    nimiq nimiq-blockchain Affected: < 1.3.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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