Nimiq: Remote crash via off-by-one signer bounds check in proposal buffer_CVE-2026-32605

{
    "lastseen": "",
    "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.",
    "published": "2026-04-13T18:54:58.542Z",
    "modified": "2026-04-13T18:54:58.542Z",
    "type": "cve",
    "title": "Nimiq: Remote crash via off-by-one signer bounds check in proposal buffer",
    "source": "GitHub_M",
    "references": "https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-g99c-h7j7-rfhv\nhttps://github.com/nimiq/core-rs-albatross/pull/3661\nhttps://github.com/nimiq/core-rs-albatross/commit/9199364b60c7acae4219800d194bbe07d2997b8c\nhttps://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0",
    "id": "CVE-2026-32605",
    "bulletinFamily": "",
    "cwe": [
        "CWE-125",
        "CWE-193"
    ],
    "cvelist": null,
    "sourceData": "nimiq core-rs-albatross < 1.3.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "core-rs-albatross",
    "version": "< 1.3.0",
    "vendor": "nimiq",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}