ubuntu-cve-2020-20892
Vulnerability from osv_ubuntu
Published
2021-09-20 16:15
Modified
2026-05-29 10:24
Summary
Details

An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a division by zero.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "ffmpeg",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libav-tools",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavcodec-extra",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavcodec-ffmpeg-extra56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavcodec-ffmpeg56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavdevice-ffmpeg56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavfilter-ffmpeg5",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavformat-ffmpeg56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavresample-ffmpeg2",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libavutil-ffmpeg54",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libpostproc-ffmpeg53",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libswresample-ffmpeg1",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          },
          {
            "binary_name": "libswscale-ffmpeg3",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "ffmpeg",
        "purl": "pkg:deb/ubuntu/ffmpeg@7:2.8.17-0ubuntu0.1+esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7:2.8.17-0ubuntu0.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7:2.7.2-1build1",
        "7:2.8.1-1ubuntu1",
        "7:2.8.2-1ubuntu1",
        "7:2.8.3-1",
        "7:2.8.4-1",
        "7:2.8.4-1ubuntu1",
        "7:2.8.4-1ubuntu2",
        "7:2.8.4-1ubuntu3",
        "7:2.8.4-1ubuntu4",
        "7:2.8.6-1ubuntu1",
        "7:2.8.6-1ubuntu2",
        "7:2.8.8-0ubuntu0.16.04.1",
        "7:2.8.10-0ubuntu0.16.04.1",
        "7:2.8.11-0ubuntu0.16.04.1",
        "7:2.8.14-0ubuntu0.16.04.1",
        "7:2.8.15-0ubuntu0.16.04.1",
        "7:2.8.15-0ubuntu0.16.04.1+esm1",
        "7:2.8.17-0ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libqt5webengine-data",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          },
          {
            "binary_name": "libqt5webengine5",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          },
          {
            "binary_name": "libqt5webenginecore5",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          },
          {
            "binary_name": "libqt5webenginewidgets5",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          },
          {
            "binary_name": "qml-module-qtwebengine",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          },
          {
            "binary_name": "qtwebengine5-dev-tools",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          },
          {
            "binary_name": "qtwebengine5-doc-html",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          },
          {
            "binary_name": "qtwebengine5-examples",
            "binary_version": "5.9.5+dfsg-0ubuntu2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "qtwebengine-opensource-src",
        "purl": "pkg:deb/ubuntu/qtwebengine-opensource-src@5.9.5+dfsg-0ubuntu2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.9.1+dfsg-4",
        "5.9.1+dfsg-4ubuntu1",
        "5.9.2+dfsg-2ubuntu1",
        "5.9.3+dfsg-0ubuntu1",
        "5.9.4+dfsg-0ubuntu1",
        "5.9.5+dfsg-0ubuntu2",
        "5.9.5+dfsg-0ubuntu2+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libqt5webengine-data",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "libqt5webengine5",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "libqt5webenginecore5",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "libqt5webenginewidgets5",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "qml-module-qtwebengine",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "qtwebengine5-dev-tools",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "qtwebengine5-doc-html",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          },
          {
            "binary_name": "qtwebengine5-examples",
            "binary_version": "5.12.8+dfsg-0ubuntu1.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "qtwebengine-opensource-src",
        "purl": "pkg:deb/ubuntu/qtwebengine-opensource-src@5.12.8+dfsg-0ubuntu1.1+esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.12.4+dfsg-1ubuntu1",
        "5.12.4+dfsg-1ubuntu3",
        "5.12.5+dfsg-3ubuntu1",
        "5.12.5+dfsg-6ubuntu2",
        "5.12.5+dfsg-7",
        "5.12.5+dfsg-7build1",
        "5.12.8+dfsg-0ubuntu1",
        "5.12.8+dfsg-0ubuntu1.1",
        "5.12.8+dfsg-0ubuntu1.1+esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a division by zero.",
  "id": "UBUNTU-CVE-2020-20892",
  "modified": "2026-05-29T10:24:55Z",
  "published": "2021-09-20T16:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-20892"
    },
    {
      "type": "REPORT",
      "url": "http://git.videolan.org/?p=ffmpeg.git;a=commit;h=19587c9332f5be4f6bc6d7b2b8ef3fd21dfeaa01"
    },
    {
      "type": "REPORT",
      "url": "https://trac.ffmpeg.org/ticket/8265"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5167-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-20892"
    }
  ],
  "related": [
    "USN-5167-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-20892"
  ]
}



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