{
  "cveId": "CVE-2021-40426",
  "url": "https://patchblox.com/security/cve/CVE-2021-40426",
  "summary": "CVE-2021-40426 is fixed in 9 products on 1 platform, first by DEBIAN-CVE-2021-40426, released April 14, 2022. It is not reported as exploited. Patch Radar priority: High.",
  "title": "sox: A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox...",
  "description": "A heap-based buffer overflow vulnerability exists in the sphere.c start_read() functionality of Sound Exchange libsox 14.4.2 and master commit 42b3557e. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.",
  "published": "2022-04-14T13:15:00Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.02052,
  "epssPercentile": 0.81373,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libsox-fmt-all",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "14.4.2-3ubuntu0.18.04.2",
      "fix": "libsox-fmt-all 14.4.2-3ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsox-fmt-all-14.4.2-3ubuntu0.18.04.2",
      "released": "2022-08-25T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsox-fmt-all",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.20.04.1",
      "fix": "libsox-fmt-all 14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsox-fmt-all-14.4.2-git20190427-2-deb11u1build0.20.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsox-fmt-all",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "fix": "libsox-fmt-all 14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsox-fmt-all-14.4.2-git20190427-2-deb11u1build0.22.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
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      "product": "libsox-fmt-alsa",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsox-fmt-alsa-14.4.2-3ubuntu0.18.04.2",
      "released": "2022-08-25T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsox-fmt-alsa",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "fix": "libsox-fmt-alsa 14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsox-fmt-alsa-14.4.2-git20190427-2-deb11u1build0.20.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsox-fmt-alsa",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "fix": "libsox-fmt-alsa 14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsox-fmt-alsa-14.4.2-git20190427-2-deb11u1build0.22.04.1",
      "released": "2023-07-10T11:15:00Z"
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      "product": "libsox-fmt-ao",
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      "released": "2022-08-25T13:15:00Z"
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    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsox-fmt-ao-14.4.2-git20190427-2-deb11u1build0.20.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsox-fmt-ao",
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      "fix": "libsox-fmt-ao 14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsox-fmt-ao-14.4.2-git20190427-2-deb11u1build0.22.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
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      "released": "2022-08-25T13:15:00Z"
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    {
      "platform": "linux",
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      "release": "Ubuntu 20.04 LTS (focal)",
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      "fix": "libsox-fmt-base 14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libsox-fmt-base-14.4.2-git20190427-2-deb11u1build0.20.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsox-fmt-base",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
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      "fix": "libsox-fmt-base 14.4.2\u002Bgit20190427-2\u002Bdeb11u1build0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsox-fmt-base-14.4.2-git20190427-2-deb11u1build0.22.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libsox-fmt-mp3-14.4.2-3ubuntu0.18.04.2",
      "released": "2022-08-25T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libsox-fmt-mp3",
      "release": "Ubuntu 20.04 LTS (focal)",
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      "released": "2023-07-10T11:15:00Z"
    },
    {
      "platform": "linux",
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      "released": "2023-07-10T11:15:00Z"
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    {
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      "released": "2022-08-25T13:15:00Z"
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    {
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    {
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      "released": "2023-07-10T11:15:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libsox3-14.4.2-git20190427-2-deb11u1build0.22.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
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      "product": "sox",
      "release": "Debian 12.15 (bookworm)",
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      "fix": "DEBIAN-CVE-2021-40426",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-40426",
      "released": "2022-04-14T20:15:09Z"
    },
    {
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      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "14.4.2\u002Bgit20190427-3.1",
      "fix": "DEBIAN-CVE-2021-40426",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-40426",
      "released": "2022-04-14T20:15:09Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-sox-14.4.2-3ubuntu0.18.04.2",
      "released": "2022-08-25T13:15:00Z"
    },
    {
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      "release": "Ubuntu 20.04 LTS (focal)",
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-sox-14.4.2-git20190427-2-deb11u1build0.20.04.1",
      "released": "2023-07-10T11:15:00Z"
    },
    {
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      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-sox-14.4.2-git20190427-2-deb11u1build0.22.04.1",
      "released": "2023-07-10T11:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}