ubuntu-cve-2020-21697
Vulnerability from osv_ubuntu
Published
2021-08-10 21:15
Modified
2026-05-29 10:24
Summary
Details

A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.

Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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+esm2"
          },
          {
            "binary_name": "libav-tools",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavcodec-extra",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavcodec-ffmpeg-extra56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavcodec-ffmpeg56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavdevice-ffmpeg56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavfilter-ffmpeg5",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavformat-ffmpeg56",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavresample-ffmpeg2",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libavutil-ffmpeg54",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libpostproc-ffmpeg53",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libswresample-ffmpeg1",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          },
          {
            "binary_name": "libswscale-ffmpeg3",
            "binary_version": "7:2.8.17-0ubuntu0.1+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "ffmpeg",
        "purl": "pkg:deb/ubuntu/ffmpeg@7:2.8.17-0ubuntu0.1+esm2?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7:2.8.17-0ubuntu0.1+esm2"
            }
          ],
          "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",
        "7:2.8.17-0ubuntu0.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ffmpeg",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavcodec-extra",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavcodec-extra57",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavcodec57",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavdevice57",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavfilter-extra",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavfilter-extra6",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavfilter6",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavformat57",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavresample3",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libavutil55",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libpostproc54",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libswresample2",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          },
          {
            "binary_name": "libswscale4",
            "binary_version": "7:3.4.11-0ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ffmpeg",
        "purl": "pkg:deb/ubuntu/ffmpeg@7:3.4.11-0ubuntu0.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7:3.4.11-0ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7:3.3.4-2",
        "7:3.3.4-2build3",
        "7:3.4-2ubuntu2",
        "7:3.4-4",
        "7:3.4-4build1",
        "7:3.4.1-1",
        "7:3.4.1-1build1",
        "7:3.4.2-1",
        "7:3.4.2-1build1",
        "7:3.4.2-2",
        "7:3.4.4-0ubuntu0.18.04.1",
        "7:3.4.6-0ubuntu0.18.04.1",
        "7:3.4.8-0ubuntu0.2"
      ]
    },
    {
      "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": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ffmpeg",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavcodec-extra",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavcodec-extra58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavcodec58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavdevice58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavfilter-extra",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavfilter-extra7",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavfilter7",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavformat58",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavresample4",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libavutil56",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libpostproc55",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libswresample3",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          },
          {
            "binary_name": "libswscale5",
            "binary_version": "7:4.2.7-0ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "ffmpeg",
        "purl": "pkg:deb/ubuntu/ffmpeg@7:4.2.7-0ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7:4.2.7-0ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7:4.1.4-1build2",
        "7:4.2.1-2",
        "7:4.2.1-2ubuntu1",
        "7:4.2.2-1build1",
        "7:4.2.2-1ubuntu1",
        "7:4.2.4-1ubuntu0.1"
      ]
    },
    {
      "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"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libqt5pdf5",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5pdfwidgets5",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webengine-data",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webengine5",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webenginecore5",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webenginewidgets5",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qml-module-qtquick-pdf",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qml-module-qtwebengine",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qt5-image-formats-plugin-pdf",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtpdf5-doc-html",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtpdf5-examples",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-dev-tools",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-doc-html",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-examples",
            "binary_version": "5.15.9+dfsg-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:22.04:LTS",
        "name": "qtwebengine-opensource-src",
        "purl": "pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.9+dfsg-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.15.6+dfsg-1",
        "5.15.6+dfsg-2",
        "5.15.7+dfsg-2",
        "5.15.8+dfsg-1",
        "5.15.8+dfsg-1build1",
        "5.15.8+dfsg-1build2",
        "5.15.8+dfsg-2",
        "5.15.9+dfsg-1",
        "5.15.9+dfsg-1ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libqt5pdf5",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5pdfwidgets5",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webengine-data",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webengine5",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webenginecore5",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webenginewidgets5",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qml-module-qtquick-pdf",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qml-module-qtwebengine",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qt5-image-formats-plugin-pdf",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtpdf5-doc-html",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtpdf5-examples",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-dev-tools",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-doc-html",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-examples",
            "binary_version": "5.15.16+dfsg-3ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:24.04:LTS",
        "name": "qtwebengine-opensource-src",
        "purl": "pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.16+dfsg-3ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.15.15+dfsg-2",
        "5.15.15+dfsg-2build2",
        "5.15.15+dfsg-2ubuntu1",
        "5.15.16+dfsg-1",
        "5.15.16+dfsg-1ubuntu2",
        "5.15.16+dfsg-1ubuntu4",
        "5.15.16+dfsg-3",
        "5.15.16+dfsg-3ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libqt5pdf5",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "libqt5pdfwidgets5",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "libqt5webengine-data",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "libqt5webengine5",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "libqt5webenginecore5",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "libqt5webenginewidgets5",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qml-module-qtquick-pdf",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qml-module-qtwebengine",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qt5-image-formats-plugin-pdf",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qtpdf5-doc-html",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qtpdf5-examples",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qtwebengine5-dev-tools",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qtwebengine5-doc-html",
            "binary_version": "5.15.19+dfsg2-1"
          },
          {
            "binary_name": "qtwebengine5-examples",
            "binary_version": "5.15.19+dfsg2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "qtwebengine-opensource-src",
        "purl": "pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.19+dfsg2-1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.15.18+dfsg-2",
        "5.15.18+dfsg-2build1",
        "5.15.19+dfsg-1",
        "5.15.19+dfsg2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libqt5webengine-data",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webengine5",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webenginecore5",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "libqt5webenginewidgets5",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "qml-module-qtwebengine",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-dev-tools",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-doc-html",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          },
          {
            "binary_name": "qtwebengine5-examples",
            "binary_version": "5.15.19+dfsg2-4ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:26.04:LTS",
        "name": "qtwebengine-opensource-src",
        "purl": "pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.19+dfsg2-4ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.15.19+dfsg2-1",
        "5.15.19+dfsg2-1build1",
        "5.15.19+dfsg2-2",
        "5.15.19+dfsg2-3",
        "5.15.19+dfsg2-4",
        "5.15.19+dfsg2-4ubuntu0.1~esm1"
      ]
    }
  ],
  "aliases": [],
  "details": "A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.",
  "id": "UBUNTU-CVE-2020-21697",
  "modified": "2026-05-29T10:24:56Z",
  "published": "2021-08-10T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-21697"
    },
    {
      "type": "REPORT",
      "url": "https://trac.ffmpeg.org/ticket/8188"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5472-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5167-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-21697"
    }
  ],
  "related": [
    "USN-5472-1",
    "USN-5167-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-21697"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.