{
  "cveId": "CVE-2018-12458",
  "url": "https://patchblox.com/security/cve/CVE-2018-12458",
  "summary": "CVE-2018-12458 is fixed in 14 products on 1 platform, first by ffmpeg 7:3.4.4-0ubuntu0.18.04.1, released July 18, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "ffmpeg: An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0...",
  "description": "An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c in FFmpeg 2.8 and 4.0 may trigger an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service.",
  "published": "2018-06-15T08:29:00Z",
  "severity": "Low",
  "epss": 0.01509,
  "epssPercentile": 0.74581,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "ffmpeg",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "ffmpeg 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ffmpeg-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavcodec-extra 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavcodec-extra-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec-extra57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavcodec-extra57 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavcodec-extra57-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavcodec57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavcodec57 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavcodec57-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavdevice57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavdevice57 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavdevice57-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavfilter-extra 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavfilter-extra-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter-extra6",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavfilter-extra6 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavfilter-extra6-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavfilter6",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavfilter6 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavfilter6-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavformat57",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavformat57 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavformat57-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavresample3",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavresample3 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavresample3-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libavutil55",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libavutil55 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libavutil55-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libpostproc54",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libpostproc54 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libpostproc54-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libswresample2",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libswresample2 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libswresample2-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    },
    {
      "platform": "linux",
      "product": "libswscale4",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.4-0ubuntu0.18.04.1",
      "fix": "libswscale4 7:3.4.4-0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libswscale4-7-3.4.4-0ubuntu0.18.04.1",
      "released": "2018-07-18T22:29:00Z"
    }
  ],
  "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"
  }
}