{
  "cveId": "CVE-2026-34352",
  "url": "https://patchblox.com/security/cve/CVE-2026-34352",
  "summary": "CVE-2026-34352 is fixed in 12 products on 1 platform, first by DEBIAN-CVE-2026-34352, released March 26, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "tigervnc: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment...",
  "description": "Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients.\n\nSecurity Fix(es):\n\n* xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling (CVE-2026-33999)\n\n* xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption (CVE-2026-34001)\n\n* xorg: xwayland: X.Org X server: Information exposure and denial of service via out-of-bounds memory access (CVE-2026-34003)\n\n* TigerVNC: x0vncserver: TigerVNC x0vncserver: Information disclosure, data manipulation, and denial of service via incorrect permissions (CVE-2026-34352)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2026-03-26T23:16:20Z",
  "severity": "Important",
  "cvss": 9.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00251,
  "epssPercentile": 0.16707,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.15.0\u002Bdfsg-2.1~deb13u1",
      "fix": "DEBIAN-CVE-2026-34352",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34352",
      "released": "2026-03-26T23:16:20Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "Debian 14",
      "fixedVersion": "1.15.0\u002Bdfsg-2.1",
      "fix": "DEBIAN-CVE-2026-34352",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-34352",
      "released": "2026-03-26T23:16:20Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "RHEL 8",
      "fixedVersion": "0:1.15.0-9.el8_10",
      "fix": "RHSA-2026:13414",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-13414",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "RHEL 9",
      "fixedVersion": "0:1.15.0-7.el9_8.1",
      "fix": "RHSA-2026:19342",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19342",
      "released": "2026-04-30T14:22:30Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "almalinux 8",
      "fixedVersion": "1.15.0-9.el8_10",
      "fix": "ALSA-2026:13414",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-13414",
      "released": "2026-05-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "almalinux 9",
      "fixedVersion": "1.15.0-7.el9_8.1",
      "fix": "ALSA-2026:19342",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19342",
      "released": "2026-05-19T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "amzn 2023",
      "fixedVersion": "1.14.1-3.amzn2023.0.4",
      "fix": "ALAS2023-2026-1537",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1537",
      "released": "2026-04-13T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "ol 8",
      "fixedVersion": "0:1.15.0-9.el8_10",
      "fix": "ELSA-2026-13414",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-13414",
      "released": "2026-05-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "ol 9",
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      "fix": "ELSA-2026-10739",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-10739",
      "released": "2026-04-27T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "1.13.1-150600.4.3.1",
      "fix": "SUSE-SU-2026:1252-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-1252-1",
      "released": "2026-04-10T11:36:58Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.15.0-160000.3.1",
      "fix": "OPENSUSE-SU-2026:20465-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20465-1",
      "released": "2026-04-07T12:21:55Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "rocky 8",
      "fixedVersion": "0:1.15.0-9.el8_10",
      "fix": "RLSA-2026:13414",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-13414",
      "released": "2026-05-07T06:00:59Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "rocky 9",
      "fixedVersion": "0:1.15.0-7.el9_8.1",
      "fix": "RLSA-2026:19342",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-19342",
      "released": "2026-05-28T15:43:06Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc",
      "release": "sles 15.6",
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      "fix": "SUSE-SU-2026:1252-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-1252-1",
      "released": "2026-04-10T11:36:58Z"
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    {
      "platform": "linux",
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      "release": "sles 15.7",
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      "fix": "SUSE-SU-2026:1360-1",
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      "released": "2026-04-15T14:10:48Z"
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    {
      "platform": "linux",
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      "release": "sles 16.0",
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      "fix": "SUSE-SU-2026:21140-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-21140-1",
      "released": "2026-04-07T12:17:02Z"
    },
    {
      "platform": "linux",
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      "release": "amzn 2023",
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      "fix": "ALAS2023-2026-1537",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1537",
      "released": "2026-04-13T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-debugsource",
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      "fix": "ALAS2023-2026-1537",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1537",
      "released": "2026-04-13T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-icons",
      "release": "RHEL 8",
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      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-13414",
      "released": "2026-05-15T16:01:54Z"
    },
    {
      "platform": "linux",
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      "fix": "RHSA-2026:19342",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19342",
      "released": "2026-04-30T14:22:30Z"
    },
    {
      "platform": "linux",
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      "url": "https://patchblox.com/security/fix/linux/alsa-2026-13414",
      "released": "2026-05-04T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "tigervnc-icons",
      "release": "almalinux 9",
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      "fix": "ALSA-2026:19342",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19342",
      "released": "2026-05-19T00:00:00Z"
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      "released": "2026-04-13T09:00:00Z"
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      "url": "https://patchblox.com/security/fix/linux/elsa-2026-13414",
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      "url": "https://patchblox.com/security/fix/linux/elsa-2026-10739",
      "released": "2026-04-27T00:00:00Z"
    },
    {
      "platform": "linux",
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      "fix": "RHSA-2026:19342",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-19342",
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    },
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      "url": "https://patchblox.com/security/fix/linux/alsa-2026-13414",
      "released": "2026-05-04T00:00:00Z"
    },
    {
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    },
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    },
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    },
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    },
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    },
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    },
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      "released": "2026-04-30T14:22:30Z"
    },
    {
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    },
    {
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      "fix": "ALSA-2026:19342",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-19342",
      "released": "2026-05-19T00:00:00Z"
    },
    {
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      "fix": "ALAS2023-2026-1537",
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      "released": "2026-04-13T09:00:00Z"
    },
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      "fix": "ELSA-2026-13414",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-13414",
      "released": "2026-05-05T00:00:00Z"
    },
    {
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    },
    {
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      "released": "2026-04-13T09:00:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-13414",
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    },
    {
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    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}