{
  "cveId": "CVE-2026-14266",
  "url": "https://patchblox.com/security/cve/CVE-2026-14266",
  "summary": "CVE-2026-14266 is fixed in 10 products on 1 platform, first by DEBIAN-CVE-2026-14266, released July 18, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "p7zip: 7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability",
  "description": "7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.  The specific flaw exists within the processing of XZ chunked data. Crafted XZ-compressed data can trigger an overflow of a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-30169.",
  "published": "2026-07-29T18:16:50Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00742,
  "epssPercentile": 0.54941,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "7zip",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "22.01\u002Breally26.02\u002Bdfsg-0\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-14266",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-14266",
      "released": "2026-07-18T12:42:52Z"
    },
    {
      "platform": "linux",
      "product": "7zip",
      "release": "Debian 14",
      "fixedVersion": "26.02\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-14266",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-14266",
      "released": "2026-07-18T12:42:52Z"
    },
    {
      "platform": "linux",
      "product": "7zip",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "26.02-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21641-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21641-1",
      "released": "2026-08-25T06:29:01Z"
    },
    {
      "platform": "linux",
      "product": "7zip",
      "release": "sles 15.6",
      "fixedVersion": "26.02-150400.9.9.1",
      "fix": "SUSE-SU-2026:3869-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3869-1",
      "released": "2026-08-28T17:50:52Z"
    },
    {
      "platform": "linux",
      "product": "7zip",
      "release": "sles 15.7",
      "fixedVersion": "26.02-150400.9.9.1",
      "fix": "SUSE-SU-2026:3869-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3869-1",
      "released": "2026-08-28T17:50:52Z"
    },
    {
      "platform": "linux",
      "product": "7zip",
      "release": "sles 16.0",
      "fixedVersion": "26.02-160000.1.1",
      "fix": "SUSE-SU-2026:23317-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23317-1",
      "released": "2026-08-25T06:29:03Z"
    },
    {
      "platform": "linux",
      "product": "7zip-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip-reduced",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip-reduced-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip-standalone",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip-standalone-all",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip-standalone-all-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "7zip-standalone-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "26.02-17.amzn2023.0.1",
      "fix": "ALAS2023-2026-2037",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2037",
      "released": "2026-08-03T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "p7zip",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "16.02\u002Breally26.02\u002Bdfsg-0\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-14266",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-14266",
      "released": "2026-07-18T12:42:52Z"
    },
    {
      "platform": "linux",
      "product": "p7zip",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "16.02\u002Btransitional.1",
      "fix": "DEBIAN-CVE-2026-14266",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-14266",
      "released": "2026-07-18T12:42:52Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}