{
  "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",
  "summary": "libavfilter-extra 7:3.4.6-0ubuntu0.18.04.1, released April 17, 2019, fixes 4 CVEs in libavfilter-extra. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libavfilter-extra 7:3.4.6-0ubuntu0.18.04.1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2019-04-17T17:00:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 4 CVEs, none high severity",
  "supported": false,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.03266,
  "appliesTo": [
    {
      "product": "libavfilter-extra",
      "productUrl": "https://patchblox.com/security/product/linux/libavfilter-extra",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "7:3.4.6-0ubuntu0.18.04.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2018-15822",
      "url": "https://patchblox.com/security/cve/CVE-2018-15822",
      "title": "ffmpeg: The flv_write_packet function in libavformat/flvenc.c in FFmpeg through 2.8 does not check for an empty audio packet,...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.03266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-11338",
      "url": "https://patchblox.com/security/cve/CVE-2019-11338",
      "title": "ffmpeg: libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote atta...",
      "priority": "Routine",
      "severity": "Low",
      "epss": 0.02354,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-9718",
      "url": "https://patchblox.com/security/cve/CVE-2019-9718",
      "title": "libavresample3: In FFmpeg 3.2 and 4.1, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted vide...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01565,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-9721",
      "url": "https://patchblox.com/security/cve/CVE-2019-9721",
      "title": "ffmpeg: A denial of service in the subtitle decoder in FFmpeg 3.2 and 4.1 allows attackers to hog the CPU via a crafted video...",
      "priority": "Routine",
      "severity": "Medium",
      "epss": 0.01435,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}