{
  "cveId": "CVE-2026-35091",
  "url": "https://patchblox.com/security/cve/CVE-2026-35091",
  "summary": "CVE-2026-35091 is fixed in 17 products on 1 platform, first by RHSA-2026:14205, released April 1, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "corosync: A flaw was found in Corosync",
  "description": "A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol (UDP) packet. This can lead to an out-of-bounds read, causing a denial of service (DoS) and potentially disclosing limited memory contents",
  "published": "2026-04-01T07:16:00Z",
  "severity": "high",
  "cvss": 8.2,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
  "epss": 0.00883,
  "epssPercentile": 0.59428,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "corosync",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.1.7-1\u002Bdeb12u2",
      "fix": "DEBIAN-CVE-2026-35091",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-35091",
      "released": "2026-04-01T14:16:57Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.1.9-2\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-35091",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-35091",
      "released": "2026-04-01T14:16:57Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "Debian 14",
      "fixedVersion": "3.1.10-2",
      "fix": "DEBIAN-CVE-2026-35091",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-35091",
      "released": "2026-04-01T14:16:57Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "RHEL 10",
      "fixedVersion": "3.1.9-1.el10_0.2",
      "fix": "RHSA-2026:14205",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-14205",
      "released": "2026-04-01T11:48:22Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "RHEL 8",
      "fixedVersion": "0:3.1.8-1.el8_10.1",
      "fix": "RHSA-2026:13657",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-13657",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "RHEL 9",
      "fixedVersion": "0:3.1.10-1.el9_8.1",
      "fix": "RHSA-2026:19200",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19200",
      "released": "2026-05-15T16:04:04Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.1.6-1ubuntu1.2",
      "fix": "corosync 3.1.6-1ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-corosync-3.1.6-1ubuntu1.2",
      "released": "2026-04-15T18:59:27Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "3.1.7-1ubuntu3.2",
      "fix": "corosync 3.1.7-1ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-corosync-3.1.7-1ubuntu3.2",
      "released": "2026-04-15T18:59:29Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "Ubuntu 25.10 (questing)",
      "fixedVersion": "3.1.9-2ubuntu1.1",
      "fix": "corosync 3.1.9-2ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-corosync-3.1.9-2ubuntu1.1",
      "released": "2026-04-15T18:59:31Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "almalinux 10",
      "fixedVersion": "3.1.10-1.el10_2.1",
      "fix": "ALSA-2026:19043",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19043",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "almalinux 8",
      "fixedVersion": "3.1.8-1.el8_10.1",
      "fix": "ALSA-2026:13657",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-13657",
      "released": "2026-05-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "almalinux 9",
      "fixedVersion": "3.1.10-1.el9_8.1",
      "fix": "ALSA-2026:19200",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19200",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "amzn 2023",
      "fixedVersion": "3.1.9-3.amzn2023.0.2",
      "fix": "ALAS2023-2026-1560",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1560",
      "released": "2026-04-13T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "ol 10",
      "fixedVersion": "0:3.1.9-2.el10_1.1",
      "fix": "ELSA-2026-13644",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-13644",
      "released": "2026-05-05T00:00:00Z"
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    {
      "platform": "linux",
      "product": "corosync",
      "release": "ol 8",
      "fixedVersion": "0:3.1.8-1.el8_10.1",
      "fix": "ELSA-2026-13657",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-13657",
      "released": "2026-05-08T00:00:00Z"
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    {
      "platform": "linux",
      "product": "corosync",
      "release": "ol 9",
      "fixedVersion": "0:3.1.9-2.el9_7.1",
      "fix": "ELSA-2026-13673",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-13673",
      "released": "2026-05-11T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "2.4.6-150300.12.16.1",
      "fix": "SUSE-SU-2026:1394-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-1394-1",
      "released": "2026-04-16T10:22:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.1.9-160000.3.1",
      "fix": "OPENSUSE-SU-2026:20505-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20505-1",
      "released": "2026-04-10T11:20:16Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "rocky 10",
      "fixedVersion": "0:3.1.10-1.el10_2.1",
      "fix": "RLSA-2026:19043",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-19043",
      "released": "2026-05-29T16:03:24Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "rocky 8",
      "fixedVersion": "0:3.1.8-1.el8_10.1",
      "fix": "RLSA-2026:13657",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-13657",
      "released": "2026-05-06T06:00:55Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "rocky 9",
      "fixedVersion": "0:3.1.10-1.el9_8.1",
      "fix": "RLSA-2026:19200",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-19200",
      "released": "2026-05-28T15:43:06Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "sles 15.6",
      "fixedVersion": "2.4.6-150300.12.16.1",
      "fix": "SUSE-SU-2026:1394-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-1394-1",
      "released": "2026-04-16T10:22:00Z"
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    {
      "platform": "linux",
      "product": "corosync",
      "release": "sles 15.7",
      "fixedVersion": "2.4.6-150300.12.16.1",
      "fix": "SUSE-SU-2026:1394-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-1394-1",
      "released": "2026-04-16T10:22:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync",
      "release": "sles 16.0",
      "fixedVersion": "3.1.9-160000.3.1",
      "fix": "SUSE-SU-2026:21224-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-21224-1",
      "released": "2026-04-10T11:19:52Z"
    },
    {
      "platform": "linux",
      "product": "corosync-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "3.1.9-3.amzn2023.0.2",
      "fix": "ALAS2023-2026-1560",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1560",
      "released": "2026-04-13T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "3.1.9-3.amzn2023.0.2",
      "fix": "ALAS2023-2026-1560",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1560",
      "released": "2026-04-13T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "corosync-notifyd",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.1.6-1ubuntu1.2",
      "fix": "corosync-notifyd 3.1.6-1ubuntu1.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-corosync-notifyd-3.1.6-1ubuntu1.2",
      "released": "2026-04-15T18:59:27Z"
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    {
      "platform": "linux",
      "product": "corosync-notifyd",
      "release": "Ubuntu 24.04.5 LTS (noble)",
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      "fix": "corosync-notifyd 3.1.7-1ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-corosync-notifyd-3.1.7-1ubuntu3.2",
      "released": "2026-04-15T18:59:29Z"
    },
    {
      "platform": "linux",
      "product": "corosync-notifyd",
      "release": "Ubuntu 25.10 (questing)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-questing-corosync-notifyd-3.1.9-2ubuntu1.1",
      "released": "2026-04-15T18:59:31Z"
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    {
      "platform": "linux",
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      "released": "2026-04-13T09:00:00Z"
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