{
  "cveId": "CVE-2023-52339",
  "url": "https://patchblox.com/security/cve/CVE-2023-52339",
  "summary": "CVE-2023-52339 is fixed in 3 products on 1 platform, first by libebml4v5 1.3.5-2ubuntu0.1\u002Besm1, released January 11, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libebml: In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing",
  "description": "In libebml before 1.4.5, an integer overflow in MemIOCallback.cpp can occur when reading or writing. It may result in buffer overflows.",
  "published": "2024-01-11T18:15:00Z",
  "severity": "medium",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
  "epss": 0.01097,
  "epssPercentile": 0.65822,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libebml",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "1.4.2-1\u002Bdeb11u1",
      "fix": "DLA-4023-1",
      "url": "https://patchblox.com/security/fix/linux/dla-4023-1",
      "released": "2025-01-20T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libebml",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1.4.4-1\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2023-52339",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52339",
      "released": "2024-01-12T02:15:44Z"
    },
    {
      "platform": "linux",
      "product": "libebml",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.4.5-1",
      "fix": "DEBIAN-CVE-2023-52339",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52339",
      "released": "2024-01-12T02:15:44Z"
    },
    {
      "platform": "linux",
      "product": "libebml",
      "release": "Debian 14",
      "fixedVersion": "1.4.5-1",
      "fix": "DEBIAN-CVE-2023-52339",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-52339",
      "released": "2024-01-12T02:15:44Z"
    },
    {
      "platform": "linux",
      "product": "libebml4v5",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1.3.5-2ubuntu0.1\u002Besm1",
      "fix": "libebml4v5 1.3.5-2ubuntu0.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libebml4v5-1.3.5-2ubuntu0.1-esm1",
      "released": "2024-01-11T18:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libebml4v5",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1.3.10-1ubuntu0.1~esm1",
      "fix": "libebml4v5 1.3.10-1ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libebml4v5-1.3.10-1ubuntu0.1-esm1",
      "released": "2024-01-11T18:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libebml5",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.4.2-2ubuntu0.1~esm1",
      "fix": "libebml5 1.4.2-2ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libebml5-1.4.2-2ubuntu0.1-esm1",
      "released": "2024-01-11T18:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}