CVE-2026-32605— Nimiq: Remote crash via off-by-one signer bounds check in proposal buffer
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I. Basic Information for CVE-2026-32605
Vulnerability Information
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Vulnerability Title
Nimiq: Remote crash via off-by-one signer bounds check in proposal buffer
Source: NVD (National Vulnerability Database)
Vulnerability Description
nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to version 1.3.0, an untrusted peer could crash a validator by publishing a signed tendermint proposal message where signer == validators.num_validators(). ProposalSender::send uses > instead of >= for the signer bounds check, so the equality case passes and reaches validators.get_validator_by_slot_band(signer), which panics with an out-of-bounds index before any signature verification runs. This issue has been fixed in version 1.3.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
core-rs-albatross 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
core-rs-albatross是Nimiq开源的一个Albatross协议的Rust实现。 core-rs-albatross 1.3.0之前版本存在安全漏洞，该漏洞源于ProposalSender::send函数使用大于号而非大于等于号进行签名者边界检查，可能导致内核崩溃。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nimiq | core-rs-albatross | < 1.3.0 | - |
II. Public POCs for CVE-2026-32605
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: core-rs-albatross
- CVE-2026-34069
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nimiq/core-rs-albatross: Panic in history index request hand - CVE-2026-33184
nimiq/core-rs-albatross: Discovery handshake limit could und - CVE-2026-34061
nimiq/core-rs-albatross: Macro block proposal interlink bug
Same vendor: nimiq
- CVE-2026-34068
nimiq-transaction: UpdateValidator transactions allows votin - CVE-2026-34067
nimiq-transaction vulnerable to panic via `HistoryTreeProof` - CVE-2026-34066
nimiq-blockchain: Peer-triggerable panic during history sync - CVE-2026-34065
nimiq-primitives: Node crash due to missing interlink valida - CVE-2026-34064
nimiq-account: Vesting insufficient funds error can panic
Same weakness: CWE-125
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Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
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V. Comments for CVE-2026-32605
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