{
  "cveId": "CVE-2020-12284",
  "url": "https://patchblox.com/security/cve/CVE-2020-12284",
  "summary": "CVE-2020-12284 is fixed in 14 products on 1 platform, first by ffmpeg 7:4.2.4-1ubuntu0.1, released June 2, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ffmpeg: cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG...",
  "description": "cbs_jpeg_split_fragment in libavcodec/cbs_jpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEG_MARKER_SOS handling because of a missing length check.",
  "published": "2020-04-27T23:15:00Z",
  "severity": "Medium",
  "epss": 0.0385,
  "epssPercentile": 0.90204,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ffmpeg",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "ffmpeg 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-ffmpeg-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec-extra",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavcodec-extra 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavcodec-extra-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec-extra58",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavcodec-extra58 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavcodec-extra58-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec58",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavcodec58 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavcodec58-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavdevice58",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavdevice58 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavdevice58-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter-extra",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavfilter-extra 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavfilter-extra-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter-extra7",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavfilter-extra7 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavfilter-extra7-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter7",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavfilter7 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavfilter7-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavformat58",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavformat58 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavformat58-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavresample4",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavresample4 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavresample4-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libavutil56",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libavutil56 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libavutil56-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libpostproc55",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libpostproc55 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libpostproc55-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libswresample3",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libswresample3 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libswresample3-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libswscale5",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "7:4.2.4-1ubuntu0.1",
      "fix": "libswscale5 7:4.2.4-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libswscale5-7-4.2.4-1ubuntu0.1",
      "released": "2021-06-02T11:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}