Corosync: corosync: denial of service via integer overflow in join message validation_CVE-2026-35092

{
    "lastseen": "",
    "description": "A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets. This can cause the service to crash, leading to a denial of service. This vulnerability specifically affects Corosync deployments configured to use totemudp/totemudpu mode.",
    "published": "2026-04-01T13:18:55.551Z",
    "modified": "2026-04-06T07:32:19.009Z",
    "type": "cve",
    "title": "Corosync: corosync: denial of service via integer overflow in join message validation",
    "source": "redhat",
    "references": "https://access.redhat.com/security/cve/CVE-2026-35092\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2453169\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2453814",
    "id": "CVE-2026-35092",
    "bulletinFamily": "",
    "cwe": [
        "CWE-190"
    ],
    "cvelist": null,
    "sourceData": "",
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    "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"
    },
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        "baseScore": 0,
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    },
    "href": "",
    "category_name": "CVE",
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    "product": "Red Hat Enterprise Linux 10",
    "version": "",
    "vendor": "Red Hat",
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}