{
  "cveId": "CVE-2018-15822",
  "url": "https://patchblox.com/security/cve/CVE-2018-15822",
  "summary": "CVE-2018-15822 is fixed in 14 products on 1 platform, first by ffmpeg 7:3.4.6-0ubuntu0.18.04.1, released April 17, 2019. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ffmpeg: The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet,...",
  "description": "The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet, leading to an assertion failure.",
  "published": "2018-08-22T17:00:00Z",
  "severity": "Low",
  "epss": 0.03266,
  "epssPercentile": 0.88463,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ffmpeg",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "ffmpeg 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ffmpeg-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavcodec-extra 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavcodec-extra-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec-extra57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavcodec-extra57 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavcodec-extra57-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavcodec57 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavcodec57-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavdevice57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavdevice57 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavdevice57-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavfilter-extra 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavfilter-extra-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter-extra6",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavfilter-extra6 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavfilter-extra6-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter6",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavfilter6 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavfilter6-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavformat57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavformat57 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavformat57-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavresample3",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavresample3 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavresample3-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libavutil55",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libavutil55 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavutil55-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libpostproc54",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libpostproc54 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpostproc54-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libswresample2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libswresample2 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libswresample2-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libswscale4",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "fix": "libswscale4 7:3.4.6-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libswscale4-7-3.4.6-0ubuntu0.18.04.1",
      "released": "2019-04-17T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}