{"id":"UBUNTU-CVE-2020-22033","details":"A heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at libavfilter/vf_vmafmotion.c in convolution_y_8bit, which could let a remote malicious user cause a Denial of Service.","modified":"2026-02-04T02:14:07.241305Z","published":"2021-05-27T19:15:00Z","related":["USN-5472-1"],"upstream":["CVE-2020-22033"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-22033"},{"type":"REPORT","url":"https://trac.ffmpeg.org/ticket/8246"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5472-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-22033"}],"affected":[{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:3.4.11-0ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.11-0ubuntu0.1"}]}],"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_version":"7:3.4.11-0ubuntu0.1","binary_name":"ffmpeg"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavcodec-dev"},{"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":"libavdevice-dev"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavdevice57"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavfilter-dev"},{"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":"libavformat-dev"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavformat57"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavresample-dev"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavresample3"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavutil-dev"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libavutil55"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libpostproc-dev"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libpostproc54"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libswresample-dev"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libswresample2"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libswscale-dev"},{"binary_version":"7:3.4.11-0ubuntu0.1","binary_name":"libswscale4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-22033.json"}},{"package":{"name":"ffmpeg","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ffmpeg@7:4.2.7-0ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.2.7-0ubuntu0.1"}]}],"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_version":"7:4.2.7-0ubuntu0.1","binary_name":"ffmpeg"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavcodec-dev"},{"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":"libavdevice-dev"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavdevice58"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavfilter-dev"},{"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":"libavformat-dev"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavformat58"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavresample-dev"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavresample4"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavutil-dev"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libavutil56"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libpostproc-dev"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libpostproc55"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libswresample-dev"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libswresample3"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libswscale-dev"},{"binary_version":"7:4.2.7-0ubuntu0.1","binary_name":"libswscale5"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-22033.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}